Nume: Claudio Grassi
Å¢ara: Italia
Data naşterii: 25.07.85, 40 Vârsta
Clasament ATP: 870
TOP poziţie în clasament: 300 (22.08.11, 152 puncte)
Puncte: 18
Premii: 146565 $
Total meciuri: 572
Victorii: 330
Succes: 57.69 %
Å¢ara: Italia
Data naşterii: 25.07.85, 40 Vârsta
Clasament ATP: 870
TOP poziţie în clasament: 300 (22.08.11, 152 puncte)
Puncte: 18
Premii: 146565 $
Total meciuri: 572
Victorii: 330
Succes: 57.69 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2019 | 4/1 | 4/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 4/6 | 1/4 | 1/1 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2014 | 20/22 | 14/12 | 6/8 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2013 | 43/25 | 29/13 | 13/10 | 1/2 | 0/0 | 0/0 | 0/0 |
| 2012 | 54/28 | 24/9 | 24/14 | 3/4 | 3/1 | 0/0 | 0/0 |
| 2011 | 43/28 | 23/11 | 19/13 | 0/2 | 1/2 | 0/0 | 0/0 |
| 2010 | 35/23 | 23/6 | 6/11 | 3/2 | 3/4 | 0/0 | 0/0 |
| 2009 | 49/28 | 15/11 | 26/16 | 3/1 | 5/0 | 0/0 | 0/0 |
| 2008 | 45/32 | 17/10 | 28/22 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2007 | 17/20 | 12/10 | 5/10 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 12/19 | 8/13 | 1/2 | 0/0 | 2/2 | 1/2 | 0/0 |
| 2005 | 2/3 | 2/2 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2004 | 2/5 | 1/3 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2003 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| ÃŽN TOTAL | 330/242 | 173/105 | 130/112 | 10/13 | 16/10 | 1/2 | 0/0 |
| succes % | 57.69 % | 62.23 % | 53.72 % | 43.48 % | 61.54 % | 33.33 % | 0 % |
Claudio Grassi / nejucate / ultimele
| nu a fost găsit nici un meci |
Claudio Grassi form / suprafaţa: Hard
Claudio Grassi / suprafaţa: Hard
| 26.09.19 | a 2-a rundă | Benjamin Lock | Claudio Grassi | 6-2, 6-1 |  | detaliu meci |  M15 Johannesburg | Hard |
| 24.09.19 | 1-a rundă | Claudio Grassi | Vasilios Caripi | 7-5, 6-3 |  | detaliu meci | ||
| 23.09.19 | Calificare | Claudio Grassi | Gerhardt Marius Becker | 7-5, 6-2 | | detaliu meci | ||
| 22.09.19 | 1-a rundă de calif. | Claudio Grassi | Stefano Parola | 6-2, 6-2 | | detaliu meci | ||
| 22.09.19 | 2-a rundă de calif. | Claudio Grassi | Lefa Ashley Sibanda | 6-2, 6-2 | | detaliu meci | ||
| 24.08.15 | 1-a rundă | Ilija Vucic | Claudio Grassi | 6-4, 4-6, 6-4 | | detaliu meci |  Italy F24 | Hard |
| 02.03.15 | 1-a rundă | Julien Cagnina | Claudio Grassi | 7-5, 6-1 | | detaliu meci |  Tunisia F8 | Hard |
| 26.01.15 | 1-a rundă | Jaime Pulgar-Garcia | Claudio Grassi | 6-4, 4-6, 6-3 | | detaliu meci | Tunisia F3 | Hard |
| 19.01.15 | 1-a rundă | Claudio Grassi | Riccardo Bonadio | 6-2, 3-6, 6-2 | | detaliu meci | Tunisia F2 | Hard |
| 19.01.15 | a 2-a rundă | Salvatore Caruso | Claudio Grassi | 6-1, 6-2 | | detaliu meci | ||
| 08.12.14 | 1-a rundă | Eric Quigley | Claudio Grassi | 6-3, 6-4 | | detaliu meci |  Mexico F15 | Hard |
| 01.12.14 | Sfert de finală | Philip Bester | Claudio Grassi | 7-5, 4-6, 6-1 | | detaliu meci | Mexico F14 | Hard |
| 01.12.14 | 1-a rundă | Claudio Grassi | Lucas Gomez | 6-3, 6-4 | | detaliu meci | ||
| 01.12.14 | a 2-a rundă | Claudio Grassi | Julien Obry | 7-5, 6-1 | | detaliu meci | ||
| 25.08.14 | a 2-a rundă | Claudio Grassi | Cristian Carli | 6-1, 6-2 | | detaliu meci | Italy F29 | Hard |
| 25.08.14 | 1-a rundă | Claudio Grassi | Jacopo Stefanini | 6-4, 6-2 | | detaliu meci | ||
| 25.08.14 | Sfert de finală | Martin Vaisse | Claudio Grassi | 7-65, 6-4 | | detaliu meci | ||
| 26.05.14 | 1-a rundă | Claudio Grassi | Ferdinando Bonuccelli | 6-3, 6-75, 6-3 | | detaliu meci | Tunisia F3 | Hard |
| 26.05.14 | a 2-a rundă | Theo Fournerie | Claudio Grassi | 7-5, 7-5 | | detaliu meci | ||
| 19.05.14 | 1-a rundă | Claudio Grassi | Tobias Simon | 6-3, 6-4 | | detaliu meci | Tunisia F2 | Hard |
| 19.05.14 | a 2-a rundă | Matthias Wunner | Claudio Grassi | 7-5, 6-1 | | detaliu meci | ||
| 01.04.14 | 1-a rundă | Thomas Fabbiano | Claudio Grassi | 2-6, 6-3, 6-1 | | detaliu meci |  Le Gosier | Hard |
| 30.03.14 | Calificare | Claudio Grassi | Jeremie Euphrasie | 6-2, 6-0 | | detaliu meci | ||
| 10.03.14 | 1-a rundă | Claudio Grassi | Yong-Kyu Lim | 6-3, 6-1 | | detaliu meci |  China F2 | Hard |
| 10.03.14 | a 2-a rundă | Riccardo Ghedin | Claudio Grassi | 7-5, 6-1 | | detaliu meci | ||
| 03.03.14 | a 2-a rundă | Claudio Grassi | Cheong-Eui Kim | 6-2, 5-7, 6-1 | | detaliu meci | China F1 | Hard |
| 03.03.14 | Sfert de finală | Ze Zhang | Claudio Grassi | 6-4, 6-3 | | detaliu meci | ||
| 03.03.14 | 1-a rundă | Claudio Grassi | Chuhan Wang | 3-6, 7-63, 6-3 | | detaliu meci | ||
| 23.02.14 | Calificare | Michael Venus | Claudio Grassi | 7-5, 6-3 | | detaliu meci | Guangzhou Challenger | Hard |
| 22.02.14 | 1-a rundă de calif. | Claudio Grassi | Zhicheng Zhu | 6-2, 6-2 | | detaliu meci | ||
| 22.02.14 | 2-a rundă de calif. | Claudio Grassi | Zhe Li | 6-2, 6-4 | | detaliu meci | ||
| 27.01.14 | a 2-a rundă | Matija Pecotic | Claudio Grassi | 4-6, 7-5, 6-2 | | detaliu meci |  Israel F3 | Hard |
| 27.01.14 | 1-a rundă | Claudio Grassi | Anton Zaitcev | 6-3, 6-3 | | detaliu meci | ||
| 20.01.14 | a 2-a rundă | Vadim Alekseenko | Claudio Grassi | 6-2, 7-5 | | detaliu meci | Israel F2 | Hard |
| 20.01.14 | 1-a rundă | Claudio Grassi | Jozef Kovalik | 7-5, 6-2 | | detaliu meci | ||
| 13.01.14 | 1-a rundă | Amir Weintraub | Claudio Grassi | 6-1, 2-6, 7-5 | | detaliu meci | Israel F1 | Hard |
| 07.10.13 | a 2-a rundă | Claudio Grassi | Marc Ferrigno | 6-4, 6-2 | | detaliu meci |  Greece F14 | Hard |
| 07.10.13 | Sfert de finală | Claudio Grassi | Prajnesh Gunneswaran | 6-4, 7-65 | | detaliu meci | ||
| 07.10.13 | 1-a rundă | Claudio Grassi | Markos Kalovelonis | 6-2, 6-0 | | detaliu meci | ||
| 07.10.13 | Semifinală | Theodoros Angelinos | Claudio Grassi | 6-3, 6-1 | | detaliu meci | ||
| 30.09.13 | 1-a rundă | Tiago Fernandes | Claudio Grassi | 4-6, 6-4, 6-2 | | detaliu meci | Greece F13 | Hard |
| 02.09.13 | a 2-a rundă | Hugo Nys | Claudio Grassi | 7-5, 4-6, 6-2 | | detaliu meci | France F14 | Hard |
| 02.09.13 | 1-a rundă | Claudio Grassi | Romain Berquand | 7-66, 6-2 | | detaliu meci | ||
| 26.08.13 | Sfert de finală | Claudio Grassi | Riccardo Ghedin | 7-5, 6-4 | | detaliu meci | Italy F23 | Hard |
| 26.08.13 | 1-a rundă | Claudio Grassi | Andrea Grazioso | 6-1, 6-2 | | detaliu meci | ||
| 26.08.13 | a 2-a rundă | Claudio Grassi | Giacomo Oradini | 6-4, 7-64 | | detaliu meci | ||
| 26.08.13 | Semifinală | Michael Lammer | Claudio Grassi | 4-6, 6-4, 7-62 | | detaliu meci | ||
| 29.07.13 | Semifinală | Claudio Grassi | Kittiphong Wachiramanowong | 2-6, 6-2, 6-1 | | detaliu meci |  Turkey F30 | Hard |
| 29.07.13 | 1-a rundă | Claudio Grassi | Bojan Popovic | 6-2, 6-0 | | detaliu meci | ||
| 29.07.13 | a 2-a rundă | Claudio Grassi | Mert Adanali | 6-2, 6-1 | | detaliu meci | ||
| 29.07.13 | Finală | Tuna Altuna | Claudio Grassi | 7-62, 6-1 | | detaliu meci | ||
| 29.07.13 | Sfert de finală | Claudio Grassi | Lorenzo Frigerio | 4-6, 6-4, 7-5 | | detaliu meci | ||
| 23.07.13 | 1-a rundă | Konstantin Kravchuk | Claudio Grassi | 6-2, 6-2 | | detaliu meci |  Astana Challenger | Hard |
| 30.06.13 | 1-a rundă de calif. | Claudio Grassi | Filip Setic | 6-1, 6-4 | | detaliu meci |  Portoroz Challenger | Hard |
| 30.06.13 | 2-a rundă de calif. | Laurynas Grigelis | Claudio Grassi | 6-2, 7-66 | | detaliu meci | ||
| 06.05.13 | Sfert de finală | Claudio Grassi | Tak Khunn Wang | 6-4, 7-63 | | detaliu meci |  Portugal F5 | Hard |
| 06.05.13 | Semifinală | Claudio Grassi | Roberto Ortega-Olmedo | 6-4, 6-4 | | detaliu meci | ||
| 06.05.13 | Finală | Mathieu Rodrigues | Claudio Grassi | 6-0, 6-2 | | detaliu meci | ||
| 06.05.13 | 1-a rundă | Claudio Grassi | Pascal Meis | 7-68, 4-6, 6-1 | | detaliu meci | ||
| 06.05.13 | a 2-a rundă | Claudio Grassi | Goncalo Loureiro | 6-3, 6-2 | | detaliu meci | ||
| 04.03.13 | a 2-a rundă | Miliaan Niesten | Claudio Grassi | 6-3, 7-5 | | detaliu meci | Israel F5 | Hard |
| 04.03.13 | 1-a rundă | Claudio Grassi | Nimrod Berman | 6-0, 6-1 | | detaliu meci | ||
| 25.02.13 | Semifinală | Dennis Novak | Claudio Grassi | 6-4, 6-4 | | detaliu meci | Israel F4 | Hard |
| 25.02.13 | Sfert de finală | Claudio Grassi | Martin Vaisse | 7-63, 6-3 | | detaliu meci | ||
| 25.02.13 | 1-a rundă | Claudio Grassi | Alessandro Petrone | 6-4, 6-1 | | detaliu meci | ||
| 25.02.13 | a 2-a rundă | Claudio Grassi | Wesley Koolhof | 6-3, 6-4 | | detaliu meci | ||
| 28.01.13 | Semifinală | Claudio Grassi | Michal Konecny | 6-3, 6-4 | | detaliu meci | Israel F3 | Hard |
| 28.01.13 | 1-a rundă | Claudio Grassi | Bar Tzuf Botzer | 6-2, 6-75, 6-3 | | detaliu meci | ||
| 28.01.13 | a 2-a rundă | Claudio Grassi | Pietro Rondoni | 6-1, 6-4 | | detaliu meci | ||
| 28.01.13 | Finală | Yannick Vandenbulcke | Claudio Grassi | 6-1, 4-6, 7-65 | | detaliu meci | ||
| 28.01.13 | Sfert de finală | Claudio Grassi | Adam Pavlasek | 6-1, 7-5 | | detaliu meci | ||
| 21.01.13 | Sfert de finală | Jozef Kovalik | Claudio Grassi | 6-4, 6-1 | | detaliu meci | Israel F2 | Hard |
| 21.01.13 | 1-a rundă | Claudio Grassi | Dekel Bar | 6-0, 6-1 | | detaliu meci | ||
| 21.01.13 | a 2-a rundă | Claudio Grassi | Roman Jebavy | 6-3, 7-5 | | detaliu meci | ||
| 14.01.13 | Semifinală | Guillermo Olaso | Claudio Grassi | 7-63, 6-3 | | detaliu meci | Israel F1 | Hard |
| 14.01.13 | Sfert de finală | Claudio Grassi | Marco Cecchinato | 6-3, 6-1 | | detaliu meci | ||
| 14.01.13 | 1-a rundă | Claudio Grassi | Mikhail Biryukov | 6-3, 7-62 | | detaliu meci | ||
| 14.01.13 | a 2-a rundă | Claudio Grassi | Adam Chadaj | 4-6, 6-2, 6-2 | | detaliu meci | ||
| 29.10.12 | Sfert de finală | Claudio Grassi | Enrico Fioravante | 6-3, 6-3 | | detaliu meci |  Venezuela F5 | Hard |
| 29.10.12 | 1-a rundă | Claudio Grassi | Luis Eduardo Ludena Egas | 6-1, 6-1 | | detaliu meci | ||
| 29.10.12 | Semifinală | David Souto | Claudio Grassi | 3-6, 6-0, 6-3 | | detaliu meci | ||
| 29.10.12 | a 2-a rundă | Claudio Grassi | Daniel Omana | 6-2, 6-4 | | detaliu meci | ||
| 22.10.12 | 1-a rundă | Mateo Nicolas Martinez | Claudio Grassi | 7-63, 5-7, 7-65 | | detaliu meci | Venezuela F4 | Hard |
| 24.09.12 | 1-a rundă | Claudio Grassi | Andrea Basso | 6-3, 6-3 | | detaliu meci | Italy F28 | Hard |
| 24.09.12 | Sfert de finală | Sam Barry | Claudio Grassi | 6-4, 6-4 | | detaliu meci | ||
| 24.09.12 | a 2-a rundă | Claudio Grassi | Davide Della Tommasina | 6-4, 6-1 | | detaliu meci | ||
| 27.08.12 | a 2-a rundă | Claudio Grassi | Antonio Mastrelia | 6-4, 6-0 | | detaliu meci | Italy F24 | Hard |
| 27.08.12 | Sfert de finală | Claudio Grassi | Salvatore Caruso | 6-3, 4-6, 7-67 | | detaliu meci | ||
| 27.08.12 | Semifinală | Claudio Grassi | Julien Obry | 6-1, 6-73, 6-4 | | detaliu meci | ||
| 27.08.12 | 1-a rundă | Claudio Grassi | Massimo Capone | 6-2, 6-4 | | detaliu meci | ||
| 27.08.12 | Finală | Jorge Aguilar | Claudio Grassi | 3-6, 7-64, 6-3 | | detaliu meci | ||
| 17.07.12 | 1-a rundă | Florent Serra | Claudio Grassi | 6-2, 6-3 | | detaliu meci | Recanati Challenger | Hard |
| 05.03.12 | a 2-a rundă | Andoni Vivanco-Guzman | Claudio Grassi | 6-75, 7-5, 6-2 | | detaliu meci | Portugal F2 | Hard |
| 05.03.12 | 1-a rundă | Claudio Grassi | Dorian Descloix | 4-6, 6-4, 6-3 | | detaliu meci | ||
| 27.02.12 | Semifinală | Claudio Grassi | Marc Sieber | 6-4, 3-6, 6-3 | | detaliu meci | Portugal F1 | Hard |
| 27.02.12 | 1-a rundă | Claudio Grassi | Carlos Gomez-Herrera | 6-76, 7-64, 6-4 | | detaliu meci | ||
| 27.02.12 | a 2-a rundă | Claudio Grassi | Borja Rodriguez Manzano | 6-2, 6-2 | | detaliu meci | ||
| 27.02.12 | Sfert de finală | Claudio Grassi | Steven Moneke | 5-7, 6-1, 6-3 | | detaliu meci | ||
| 27.02.12 | Finală | Pedro Sousa | Claudio Grassi | 6-4, 7-66 | | detaliu meci | ||
| 23.01.12 | a 2-a rundă | Claudio Grassi | Arsenije Zlatanovic | 6-3, 6-3 | | detaliu meci | Israel F3 | Hard |
| 23.01.12 | Sfert de finală | Claudio Grassi | Liang-Chi Huang | 6-3, 6-3 | | detaliu meci | ||
| 23.01.12 | Finală | Amir Weintraub | Claudio Grassi | 6-1, 6-1 | | detaliu meci | ||
| 23.01.12 | Semifinală | Claudio Grassi | Alberto Brizzi | 6-4, 7-62 | | detaliu meci | ||
| 23.01.12 | 1-a rundă | Claudio Grassi | Vitali Reshetnikov | 7-5, 7-64 | | detaliu meci | ||
| 16.01.12 | a 2-a rundă | Daniel Smethurst | Claudio Grassi | 6-1, 6-1 | | detaliu meci | Israel F2 | Hard |
| 16.01.12 | 1-a rundă | Claudio Grassi | Gilad Ben Zvi | 6-3, 7-66 | | detaliu meci | ||
| 09.01.12 | Semifinală | Claudio Grassi | Victor Baluda | 6-3, 6-2 | | detaliu meci | Israel F1 | Hard |
| 09.01.12 | 1-a rundă | Claudio Grassi | Jean Andersen | 6-4, 6-1 | | detaliu meci | ||
| 09.01.12 | Finală | Claudio Grassi | Gleb Sakharov | 7-65, 6-3 | | detaliu meci | ||
| 09.01.12 | a 2-a rundă | Claudio Grassi | Gilad Ben Zvi | 4-6, 6-1, 6-4 | | detaliu meci | ||
| 09.01.12 | Sfert de finală | Claudio Grassi | Maxim Dubarenco | 6-0, 6-1 | | detaliu meci | ||
| 24.10.11 | 1-a rundă | Claudio Grassi | Miliaan Niesten | 7-60, 1-0, Miliaan Niesten - retragere | | detaliu meci |  Kuwait F2 | Hard |
| 24.10.11 | a 2-a rundă | Claudio Grassi | Robin Olin | 7-5, 6-3 | | detaliu meci | ||
| 24.10.11 | Sfert de finală | Henri Laaksonen | Claudio Grassi | 6-2, 7-63 | | detaliu meci | ||
| 17.10.11 | 1-a rundă | Ivan Arenas-Gualda | Claudio Grassi | 6-2, 4-6, 6-2 | | detaliu meci | Kuwait F1 | Hard |
| 03.10.11 | a 2-a rundă | Claudio Grassi | Ricardo Chile-Fonte | 6-3, 7-60 | | detaliu meci | Mexico F13 | Hard |
| 03.10.11 | Sfert de finală | Haydn Lewis | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 03.10.11 | 1-a rundă | Claudio Grassi | Marvin Rolle | 7-64, 6-1 | | detaliu meci | ||
| 12.09.11 | Semifinală | Philipp Oswald | Claudio Grassi | 6-4, 6-2 | | detaliu meci | Italy F27 | Hard |
| 12.09.11 | a 2-a rundă | Claudio Grassi | Andrea Patracchini | 7-61, 6-1 | | detaliu meci | ||
| 12.09.11 | Sfert de finală | Claudio Grassi | Andrea Agazzi | 6-4, 6-3 | | detaliu meci | ||
| 12.09.11 | 1-a rundă | Claudio Grassi | Luca Pancaldi | 6-4, 6-1 | | detaliu meci | ||
| 05.09.11 | a 2-a rundă | Claudio Grassi | Marko Danis | 6-75, 7-67, 6-0 | | detaliu meci | Israel F8 | Hard |
| 05.09.11 | Sfert de finală | Claudio Grassi | Vitali Reshetnikov | 6-0, 6-1 | | detaliu meci | ||
| 05.09.11 | Semifinală | Carl Bergman | Claudio Grassi | 6-3, 7-5 | | detaliu meci | ||
| 05.09.11 | 1-a rundă | Claudio Grassi | Daniel Tamir | 6-2, 6-0 | | detaliu meci | ||
| 29.08.11 | 1-a rundă | Claudio Grassi | Netanel Alcabas | 6-3, 6-3 | | detaliu meci | Israel F7 | Hard |
| 29.08.11 | Sfert de finală | Stanislav Poplavskyy | Claudio Grassi | 7-5, 7-5 | | detaliu meci | ||
| 29.08.11 | a 2-a rundă | Claudio Grassi | Tal Eros | Tal Eros - nu s-a prezentat | | detaliu meci | ||
| 04.07.11 | a 2-a rundă | Claudio Grassi | David Perez Sanz | 6-0, 6-3 | | detaliu meci |  Spain F23 | Hard |
| 04.07.11 | Sfert de finală | Claudio Grassi | Ivan Arenas-Gualda | 7-5, 2-6, 6-2 | | detaliu meci | ||
| 04.07.11 | Semifinală | Claudio Grassi | Enrique Lopez-Perez | 7-5, 6-2 | | detaliu meci | ||
| 04.07.11 | 1-a rundă | Claudio Grassi | Antonio Garcia Sanchez | 6-0, 6-0 | | detaliu meci | ||
| 04.07.11 | Finală | Claudio Grassi | Rudy Coco | 6-76, 7-617, 6-2 | | detaliu meci | ||
| 14.03.11 | a 2-a rundă | Claudio Grassi | Enrique Lopez-Perez | 6-74, 6-4, 6-2 | | detaliu meci | Portugal F3 | Hard |
| 14.03.11 | Semifinală | Gerard Granollers | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 14.03.11 | Sfert de finală | Claudio Grassi | Morgan Phillips | 6-4, 6-75, 6-4 | | detaliu meci | ||
| 14.03.11 | 1-a rundă | Claudio Grassi | Sam Barry | 7-5, 6-1 | | detaliu meci | ||
| 07.03.11 | 1-a rundă | Andres Artunedo Martinavarr | Claudio Grassi | 6-4, 6-0 | | detaliu meci | Portugal F2 | Hard |
| 28.02.11 | 1-a rundă | Kamil Capkovic | Claudio Grassi | 6-3, 4-6, 7-5 | | detaliu meci | Portugal F1 | Hard |
| 17.01.11 | 1-a rundă | Stefan Borg | Claudio Grassi | 6-1, 7-63 | | detaliu meci | Israel F2 | Hard |
| 10.01.11 | a 2-a rundă | Claudio Grassi | Tal Eros | 6-2, 6-4 | | detaliu meci | Israel F1 | Hard |
| 10.01.11 | Sfert de finală | Claudio Grassi | Philip Orno | 3-6, 6-3, 6-3 | | detaliu meci | ||
| 10.01.11 | 1-a rundă | Claudio Grassi | Gilad Ben Zvi | 6-4, 6-3 | | detaliu meci | ||
| 10.01.11 | Semifinală | Valery Rudnev | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 11.10.10 | 1-a rundă | Claudio Grassi | Kornel Bardoczky | 7-66, 6-4 | | detaliu meci | Greece F1 | Hard |
| 11.10.10 | a 2-a rundă | Claudio Grassi | Jan Blecha | Jan Blecha - nu s-a prezentat | | detaliu meci | ||
| 11.10.10 | Sfert de finală | Marcus Willis | Claudio Grassi | 2-6, 6-4, 6-0 | | detaliu meci | ||
| 04.10.10 | Sfert de finală | Claudio Grassi | Alexander Jakupovic | 6-1, 3-6, 7-65 | | detaliu meci | Italy F29 | Hard |
| 04.10.10 | Semifinală | Claudio Grassi | Andrea Falgheri | 7-64, 6-4 | | detaliu meci | ||
| 04.10.10 | 1-a rundă | Claudio Grassi | Marco Bortolotti | 6-4, 6-1 | | detaliu meci | ||
| 04.10.10 | Finală | Claudio Grassi | Federico Torresi | 6-0, 7-64 | | detaliu meci | ||
| 04.10.10 | a 2-a rundă | Claudio Grassi | Cristian Rodriguez | 7-65, 6-2 | | detaliu meci | ||
| 13.09.10 | Semifinală | Claudio Grassi | Andrea Agazzi | 4-6, 6-3, 7-5 | | detaliu meci | Italy F26 | Hard |
| 13.09.10 | 1-a rundă | Claudio Grassi | Davide Della Tommasina | 6-1, 6-2 | | detaliu meci | ||
| 13.09.10 | Finală | Claudio Grassi | Luca Vanni | 3-6, 6-4, 6-4 | | detaliu meci | ||
| 13.09.10 | a 2-a rundă | Claudio Grassi | Riccardo Sinicropi | 5-7, 6-1, 6-4 | | detaliu meci | ||
| 13.09.10 | Sfert de finală | Claudio Grassi | David Rice | 6-2, 6-1 | | detaliu meci | ||
| 06.09.10 | Sfert de finală | Rudy Coco | Claudio Grassi | 6-3, 6-3 | | detaliu meci |  Great Britain | Hard |
| 06.09.10 | 1-a rundă | Claudio Grassi | Lucas Renard | 1-6, 6-1, 6-0 | | detaliu meci | ||
| 06.09.10 | a 2-a rundă | Claudio Grassi | Lewis Burton | 6-2, 6-3 | | detaliu meci | ||
| 23.08.10 | Finală | Claudio Grassi | Francesco Piccari | 6-4, 7-64 | | detaliu meci | Italy F23 | Hard |
| 23.08.10 | a 2-a rundă | Claudio Grassi | Andrea Agazzi | 6-3, 7-5 | | detaliu meci | ||
| 23.08.10 | Sfert de finală | Claudio Grassi | Tomas Tenconi | 6-0, 6-2 | | detaliu meci | ||
| 23.08.10 | Semifinală | Claudio Grassi | Erik Crepaldi | 6-2, 6-75, 6-1 | | detaliu meci | ||
| 23.08.10 | 1-a rundă | Claudio Grassi | Enrico Iannuzzi | 6-3, 6-4 | | detaliu meci | ||
| 05.07.10 | 1-a rundă | Claudio Grassi | Alexis Heugas | 4-6, 6-1, 7-5 | | detaliu meci | Spain F24 | Hard |
| 05.07.10 | a 2-a rundă | Claudio Grassi | Leon Frost | 6-1, 6-4 | | detaliu meci | ||
| 05.07.10 | Sfert de finală | Rudy Coco | Claudio Grassi | 6-1, 6-2 | | detaliu meci | ||
| 28.06.10 | 1-a rundă | Ruben Bemelmans | Claudio Grassi | 6-0, 6-4 | | detaliu meci | Spain F23 | Hard |
| 21.06.10 | a 2-a rundă | Roberto Ortega-Olmedo | Claudio Grassi | 6-2, 7-64 | | detaliu meci | Spain F22 | Hard |
| 21.06.10 | 1-a rundă | Claudio Grassi | Alvaro Cajigal | 6-2, 6-0 | | detaliu meci | ||
| 07.06.10 | 1-a rundă | Claudio Grassi | Milos Sekulic | 6-4, 6-2 | | detaliu meci | Tunisia F2 | Hard |
| 07.06.10 | a 2-a rundă | Wael Kilani | Claudio Grassi | 6-4, 6-0 | | detaliu meci | ||
| 02.11.09 | Sfert de finală | Claudio Grassi | Peter Lucassen | 6-2, 6-4 | | detaliu meci |  Senegal F2 | Hard |
| 02.11.09 | Semifinală | Claudio Grassi | Rudy Coco | 6-2, 6-0 | | detaliu meci | ||
| 02.11.09 | 1-a rundă | Claudio Grassi | Alec Witmeur | 6-2, 7-67 | | detaliu meci | ||
| 02.11.09 | Finală | Niels Desein | Claudio Grassi | 6-2, 6-0 | | detaliu meci | ||
| 02.11.09 | a 2-a rundă | Claudio Grassi | Duncan Mugabe | 6-4, 6-1 | | detaliu meci | ||
| 26.10.09 | a 2-a rundă | Claudio Grassi | Duncan Mugabe | 7-64, 6-2 | | detaliu meci | Senegal F1 | Hard |
| 26.10.09 | Sfert de finală | Valentin Sanon | Claudio Grassi | 7-64, 6-0 | | detaliu meci | ||
| 26.10.09 | 1-a rundă | Claudio Grassi | El Mehdi Wasfy | 6-0, 6-2 | | detaliu meci | ||
| 05.10.09 | 1-a rundă | Oscar Burrieza-Lopez | Claudio Grassi | 7-66, 1-6, 6-3 | | detaliu meci | Italy F31 | Hard |
| 21.09.09 | 1-a rundă | Claudio Grassi | Gilad Ben Zvi | 4-6, 7-67, 6-1 | | detaliu meci | Greece F1 | Hard |
| 21.09.09 | a 2-a rundă | Theodoros Angelinos | Claudio Grassi | 1-6, 6-3, 7-66 | | detaliu meci | ||
| 14.09.09 | a 2-a rundă | Claudio Grassi | Stefano Valenti | def. | | detaliu meci | Italy F28 | Hard |
| 14.09.09 | Sfert de finală | Francesco Piccari | Claudio Grassi | 6-4, 7-64 | | detaliu meci | ||
| 14.09.09 | 1-a rundă | Claudio Grassi | Andrea Stucchi | 6-2, 6-2 | | detaliu meci | ||
| 24.08.09 | 1-a rundă | Roberto Marcora | Claudio Grassi | 7-61, 6-3 | | detaliu meci | Italy F25 | Hard |
| 15.06.09 | 1-a rundă | Claudio Grassi | Stefano Valenti | 6-4, 6-3 | | detaliu meci | Tunisia F3 | Hard |
| 15.06.09 | a 2-a rundă | Mohamed Abid | Claudio Grassi | 4-6, 6-3, 6-4 | | detaliu meci | ||
| 08.06.09 | Sfert de finală | Claudio Grassi | Matt Simpson | 6-4, 6-75, 6-1 | | detaliu meci | Tunisia F2 | Hard |
| 08.06.09 | Semifinală | Frederic Jeanclaude | Claudio Grassi | 6-2, 6-4 | | detaliu meci | ||
| 08.06.09 | 1-a rundă | Claudio Grassi | Stefano Vukov | 6-4, 6-2 | | detaliu meci | ||
| 08.06.09 | a 2-a rundă | Claudio Grassi | Valerio Carrese | 6-3, 6-1 | | detaliu meci | ||
| 18.05.09 | 2-a rundă de calif. | Colin Fleming | Claudio Grassi | 6-3, 6-1 | | detaliu meci | Cremona Challenger | Hard |
| 02.02.09 | a 2-a rundă | Claudio Grassi | Sean Thornley | 6-4, 7-5 | | detaliu meci | Mexico F2 | Hard |
| 02.02.09 | Sfert de finală | Victor Romero | Claudio Grassi | 6-3, 6-3 | | detaliu meci | ||
| 02.02.09 | 1-a rundă | Claudio Grassi | Juan Carlo Acuna Gerard | 6-2, 6-4 | | detaliu meci | ||
| 26.01.09 | 1-a rundă | Christopher Klingemann | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Mexico F1 | Hard |
| 21.11.08 | Sfert de finală | Michael Lammer | Claudio Grassi | 6-4, 6-0 | | detaliu meci | Puebla | Hard |
| 19.11.08 | a 2-a rundă | Claudio Grassi | Victor Estrella | 4-6, 6-3, 6-1 | | detaliu meci | ||
| 17.11.08 | 1-a rundă | Claudio Grassi | Tsung-Hua Yang | 6-4, 6-4 | | detaliu meci | ||
| 17.11.08 | 2-a rundă de calif. | Claudio Grassi | Manuel Sanchez | 6-3, 6-2 | | detaliu meci | ||
| 17.11.08 | Calificare | Claudio Grassi | Vladimir Obradovic | 6-3, 7-5 | | detaliu meci | ||
| 27.10.08 | 1-a rundă | Claudio Grassi | Juan-Manuel Elizondo | 1-6, 6-4, 6-2 | | detaliu meci | Mexico F14 | Hard |
| 27.10.08 | a 2-a rundă | Lazaro Navarro-Batles | Claudio Grassi | 6-3, 6-1 | | detaliu meci | ||
| 20.10.08 | a 2-a rundă | Claudio Grassi | Antoine Tassart | 7-65, 6-0 | | detaliu meci | Mexico F13 | Hard |
| 20.10.08 | Sfert de finală | Matthew S Roberts | Claudio Grassi | 5-7, 6-4, 6-4 | | detaliu meci | ||
| 20.10.08 | 1-a rundă | Claudio Grassi | Christopher Racz | 2-6, 6-1, 5-2, Christopher Racz - retragere | | detaliu meci | ||
| 13.10.08 | a 2-a rundă | Borut Puc | Claudio Grassi | 6-4, 1-6, 7-65 | | detaliu meci | Mexico F12 | Hard |
| 13.10.08 | 1-a rundă | Claudio Grassi | Carlos Palencia | 6-1, 6-4 | | detaliu meci | ||
| 19.05.08 | Sfert de finală | Claudio Grassi | Danila Arsenov | 7-65, 7-5 | | detaliu meci | Greece F3 | Hard |
| 19.05.08 | 1-a rundă | Claudio Grassi | Strahinja Bobusic | 4-6, 6-3, 7-5 | | detaliu meci | ||
| 19.05.08 | a 2-a rundă | Claudio Grassi | Paris Gemouchidis | 7-5, 6-2 | | detaliu meci | ||
| 19.05.08 | Semifinală | Robin Roshardt | Claudio Grassi | 6-4, 6-1 | | detaliu meci | ||
| 14.04.08 | Sfert de finală | Claudio Grassi | Sergio Gutierrez-Ferrol | 7-611, 6-3 | | detaliu meci | Spain F15 | Hard |
| 14.04.08 | 1-a rundă | Claudio Grassi | Takahiro Ittogi | 2-6, 6-3, 7-66 | | detaliu meci | ||
| 14.04.08 | Semifinală | Gero Kretschmer | Claudio Grassi | 3-6, 6-3, 7-5 | | detaliu meci | ||
| 14.04.08 | a 2-a rundă | Claudio Grassi | Pablo Martin-Adalia | 6-3, 6-2 | | detaliu meci | ||
| 18.02.08 | 1-a rundă | Luis-Javier Cuellar-Contreras | Claudio Grassi | 4-6, 6-3, 6-2 | | detaliu meci |  Cuba F2 | Hard |
| 11.02.08 | a 2-a rundă | Justin O'Neal | Claudio Grassi | 6-2, 6-4 | | detaliu meci | Cuba F1 | Hard |
| 11.02.08 | 1-a rundă | Claudio Grassi | Luis-Javier Cuellar-Contreras | 7-61, 6-1 | | detaliu meci | ||
| 21.01.08 | a 2-a rundă | Luis David Martinez | Claudio Grassi | 6-2, 6-3 | | detaliu meci |  Costa Rica | Hard |
| 21.01.08 | 1-a rundă | Claudio Grassi | Edward Seator | 7-5, 7-62 | | detaliu meci | ||
| 14.01.08 | a 2-a rundă | Raian Luchici | Claudio Grassi | 6-3, 6-2 | | detaliu meci |  Guatemala F1 | Hard |
| 14.01.08 | 1-a rundă | Claudio Grassi | Rafael Arevalo | 6-2, 7-65 | | detaliu meci | ||
| 05.11.07 | a 2-a rundă | Alexander Somogyi | Claudio Grassi | 3-6, 6-2, 7-61 | | detaliu meci |  Botswana F1 | Hard |
| 05.11.07 | 1-a rundă | Claudio Grassi | Kitso Leshope | 6-2, 6-0 | | detaliu meci | ||
| 29.10.07 | Finală | Claudio Grassi | Jurgens Strydom | 6-3, 6-2 | | detaliu meci |  Namibia F1 | Hard |
| 29.10.07 | a 2-a rundă | Claudio Grassi | Danila Arsenov | 4-6, 6-1, 6-3 | | detaliu meci | ||
| 29.10.07 | Sfert de finală | Claudio Grassi | Edward Seator | 2-6, 7-68, 7-65 | | detaliu meci | ||
| 29.10.07 | Semifinală | Claudio Grassi | Richard Ruckelshausen | 7-5, 6-4 | | detaliu meci | ||
| 29.10.07 | 1-a rundă | Claudio Grassi | Kevin McDuffee | 6-0, 6-1 | | detaliu meci | ||
| 22.10.07 | 1-a rundă | Claudio Grassi | Nikala Scholtz | 4-6, 6-2, 7-5 | | detaliu meci | South Africa | Hard |
| 22.10.07 | a 2-a rundă | Claudio Grassi | Benjamin Janse van Rensburg | 6-0, 6-2 | | detaliu meci | ||
| 22.10.07 | Sfert de finală | Matteo Volante | Claudio Grassi | 6-4, 4-6, 6-4 | | detaliu meci | ||
| 30.07.07 | 1-a rundă | Philippe De Bonnevie | Claudio Grassi | 6-4, 6-2 | | detaliu meci | Senegal F2 | Hard |
| 23.07.07 | a 2-a rundă | Alain Ntamag | Claudio Grassi | 2-6, 6-3, 6-2 | | detaliu meci | Senegal F1 | Hard |
| 23.07.07 | 1-a rundă | Claudio Grassi | Gregory Gumbs | 2-6, 6-2, 6-4 | | detaliu meci | ||
| 07.05.07 | 1-a rundă | Claudio Grassi | Edward Corrie | 7-61, 6-4 | | detaliu meci | Greece F1 | Hard |
| 07.05.07 | a 2-a rundă | Miles Kasiri | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 16.04.07 | 1-a rundă | Giuseppe Menga | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Italy F10 | Hard |
| 19.03.07 | 1-a rundă | Todor Enev | Claudio Grassi | 6-4, 3-6, 6-4 | | detaliu meci | Israel F3 | Hard |
| 05.03.07 | 1-a rundă | Claudio Grassi | Almog Mashiach | 6-1, 6-2 | | detaliu meci | Israel F1 | Hard |
| 05.03.07 | a 2-a rundă | Roman Vogeli | Claudio Grassi | 2-6, 6-3, 6-3 | | detaliu meci | ||
| 29.01.07 | 1-a rundă | Rasid Winklaar | Claudio Grassi | 6-2, 6-3 | | detaliu meci | Costa Rica | Hard |
| 15.01.07 | a 2-a rundă | Lester Cook | Claudio Grassi | 6-2, 6-4 | | detaliu meci | Guatemala F1 | Hard |
| 15.01.07 | 1-a rundă | Claudio Grassi | Christian Saravia | 6-2, 6-2 | | detaliu meci | ||
| 30.10.06 | 1-a rundă | Claudio Grassi | Pablo Pires de Almeida | 6-2, 6-3 | | detaliu meci | Mexico F20 | Hard |
| 30.10.06 | a 2-a rundă | Rodrigo-Antonio Grilli | Claudio Grassi | 7-64, 6-4 | | detaliu meci | ||
| 16.10.06 | 1-a rundă | Robert Godlewski | Claudio Grassi | 6-2, 6-4 | | detaliu meci | Mexico F18 | Hard |
| 09.10.06 | 1-a rundă | Pierre-Ludovic Duclos | Claudio Grassi | 6-0, 6-3 | | detaliu meci | Mexico F17 | Hard |
| 02.10.06 | 1-a rundă | Carlos Palencia | Claudio Grassi | 4-6, 6-3, 6-1 | | detaliu meci | Mexico F16 | Hard |
| 11.09.06 | 1-a rundă | Claudio Grassi | Marco di Vuolo | 6-3, 1-6, 6-2 | | detaliu meci | Italy F31 | Hard |
| 11.09.06 | a 2-a rundă | Andrea Agazzi | Claudio Grassi | 6-3, 7-64 | | detaliu meci | ||
| 28.08.06 | a 2-a rundă | Manuel Jorquera | Claudio Grassi | 6-2, 6-1 | | detaliu meci | Italy F29 | Hard |
| 28.08.06 | 1-a rundă | Claudio Grassi | Rasmus Norby | 6-3, 1-6, 7-5 | | detaliu meci | ||
| 21.08.06 | 1-a rundă | Aljoscha Thron | Claudio Grassi | 6-3, 6-3 | | detaliu meci |  Finland F2 | Hard |
| 12.06.06 | 1-a rundă | Ervin Eleskovic | Claudio Grassi | 4-6, 6-4, 6-2 | | detaliu meci |  Norway F2 | Hard |
| 05.06.06 | 1-a rundă | James Cerretani | Claudio Grassi | 6-0, 4-6, 6-2 | | detaliu meci | Norway F1 | Hard |
| 22.05.06 | Sfert de finală | Marco Chiudinelli | Claudio Grassi | 6-1, 6-2 | | detaliu meci | Kuwait F2 | Hard |
| 22.05.06 | 1-a rundă | Claudio Grassi | Hashim Abdal | 6-1, 6-1 | | detaliu meci | ||
| 22.05.06 | a 2-a rundă | Claudio Grassi | Abdullah Maqdes | 2-6, 6-4, 6-0 | | detaliu meci | ||
| 15.05.06 | a 2-a rundă | Claudio Grassi | Lee Childs | 6-4, 0-6, 6-4 | | detaliu meci | Kuwait F1 | Hard |
| 15.05.06 | 1-a rundă | Claudio Grassi | Abdullah Maqdes | 6-1, 6-4 | | detaliu meci | ||
| 15.05.06 | Sfert de finală | Ralph Grambow | Claudio Grassi | 6-0, 6-3 | | detaliu meci | ||
| 08.05.06 | 1-a rundă | Claudio Grassi | Ishay Hadash | 6-3, 4-6, 6-3 | | detaliu meci | Greece F2 | Hard |
| 08.05.06 | a 2-a rundă | Oscar Burrieza-Lopez | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 01.05.06 | 1-a rundă | Jamie Baker | Claudio Grassi | 6-3, 6-3 | | detaliu meci | Greece F1 | Hard |
| 24.10.05 | 1-a rundă | Claudio Grassi | Pablo Martinez | 7-5, 2-6, 6-0 | | detaliu meci | Mexico F16 | Hard |
| 24.10.05 | a 2-a rundă | Christoph Steiner | Claudio Grassi | 6-2, 6-1 | | detaliu meci | ||
| 03.10.05 | a 2-a rundă | Dawid Olejniczak | Claudio Grassi | 6-3, 6-3 | | detaliu meci | Mexico F13 | Hard |
| 03.10.05 | 1-a rundă | Claudio Grassi | Alvaro Dominguez | 6-2, 6-1 | | detaliu meci | ||
| 04.10.04 | 1-a rundă | Martin Schulhauser | Claudio Grassi | 4-6, 6-0, 6-0 | | detaliu meci | Venezuela F2 | Hard |
| 27.09.04 | 1-a rundă | Claudio Grassi | Matt Klinger | 6-4, 6-3 | | detaliu meci | Venezuela F1 | Hard |
| 27.09.04 | a 2-a rundă | Jicham Zaatini | Claudio Grassi | 6-3, 6-4 | | detaliu meci | ||
| 19.07.04 | 1-a rundă de calif. | Ladislav Chramosta | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Recanati | Hard |
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