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: Zgura
Claudio Grassi / suprafaţa: Zgura
| 10.01.15 | 2-a rundă de calif. | Lorenzo Giustino | Claudio Grassi | 6-2, 4-6, 7-62 |  | detaliu meci |  Casablanca Challenger | Zgura |
| 10.01.15 | 1-a rundă de calif. | Claudio Grassi | Houssam Sbaii | 6-3, 6-0 |  | detaliu meci | ||
| 20.09.14 | 1-a rundă de calif. | Ronald Slobodchikov | Claudio Grassi | Claudio Grassi - nu s-a prezentat | | detaliu meci | Kenitra Challenger | Zgura |
| 13.09.14 | 2-a rundă de calif. | Seydou Diallo | Claudio Grassi | 2-6, 6-4, 7-64 | | detaliu meci | Meknes Challenger | Zgura |
| 01.09.14 | 1-a rundă | Claudio Grassi | Marc Garcia-Roman | 7-5, 6-3 | | detaliu meci |  Tunisia F4 | Zgura |
| 01.09.14 | Sfert de finală | Maxime Hamou | Claudio Grassi | 4-1, Claudio Grassi - retragere | | detaliu meci | ||
| 01.09.14 | a 2-a rundă | Claudio Grassi | Simo Rikalo | 6-1, 6-0 | | detaliu meci | ||
| 10.08.14 | 2-a rundă de calif. | Omar Giacalone | Claudio Grassi | 3-6, 7-63, 6-3 | | detaliu meci |  Cordenons Challenger | Zgura |
| 09.08.14 | 1-a rundă de calif. | Claudio Grassi | Emin Agaev | 6-2, 6-3 | | detaliu meci | ||
| 29.06.14 | 1-a rundă de calif. | Maximilian Neuchrist | Claudio Grassi | 7-64, 6-3 | | detaliu meci | Todi Challenger | Zgura |
| 10.06.14 | 1-a rundă | Pablo Cuevas | Claudio Grassi | 6-1, 6-3 | | detaliu meci | Caltanissetta Challenger | Zgura |
| 08.06.14 | 2-a rundă de calif. | Claudio Grassi | Andrea Basso | 6-3, 7-65 | | detaliu meci | ||
| 08.06.14 | Calificare | Claudio Grassi | Walter Trusendi | 6-4, 2-6, 6-1 | | detaliu meci | ||
| 27.04.14 | 2-a rundă de calif. | Adam Chadaj | Claudio Grassi | 3-6, 6-4, 7-5 | | detaliu meci |  Ostrava Challenger | Zgura |
| 26.04.14 | 1-a rundă de calif. | Claudio Grassi | Maxim Dubarenco | 6-4, 6-3 | | detaliu meci | ||
| 20.04.14 | 1-a rundă de calif. | Lukas Jastraunig | Claudio Grassi | 4-6, 6-1, 7-61 | | detaliu meci | Vercelli Challenger | Zgura |
| 28.10.13 | 1-a rundă | Dominic Thiem | Claudio Grassi | 6-4, 6-3 | | detaliu meci | Casablanca Challenger | Zgura |
| 27.10.13 | Calificare | Claudio Grassi | Marco Bortolotti | 1-6, 6-4, 6-1 | | detaliu meci | ||
| 26.10.13 | 2-a rundă de calif. | Claudio Grassi | Guy Orly Iradukunda | 6-0, 6-0 | | detaliu meci | ||
| 19.08.13 | Sfert de finală | Claudio Grassi | Alexander Jakupovic | 6-2, 6-4 | | detaliu meci |  Switzerland F5 | Zgura |
| 19.08.13 | Semifinală | Roberto Marcora | Claudio Grassi | 6-76, 7-5, 6-3 | | detaliu meci | ||
| 19.08.13 | 1-a rundă | Claudio Grassi | Riccardo Merone | 6-0, 6-0 | | detaliu meci | ||
| 19.08.13 | a 2-a rundă | Claudio Grassi | Jacob Kahoun | 6-1, 6-4 | | detaliu meci | ||
| 12.08.13 | 1-a rundă | Lorenzo Frigerio | Claudio Grassi | 6-2, 6-1 | | detaliu meci | Italy F21 | Zgura |
| 24.06.13 | 1-a rundă | Marco Speronello | Claudio Grassi | 7-65, 7-67 | | detaliu meci | Italy F13 | Zgura |
| 17.06.13 | 1-a rundă | Benjamin Balleret | Claudio Grassi | 6-1, 6-0 | | detaliu meci | Italy F14 | Zgura |
| 13.05.13 | 1-a rundă | Claudio Grassi | Mariano Esposito | 6-4, 6-4 | | detaliu meci | Italy F8 | Zgura |
| 13.05.13 | a 2-a rundă | Pietro Licciardi | Claudio Grassi | 6-0, Claudio Grassi - retragere | | detaliu meci | ||
| 22.04.13 | a 2-a rundă | Leandro Migani | Claudio Grassi | 6-2, 6-2 | | detaliu meci | Italy F5 | Zgura |
| 22.04.13 | 1-a rundă | Claudio Grassi | Walter Trusendi | 7-5, 6-4 | | detaliu meci | ||
| 15.04.13 | Calificare | Ivan Endara | Claudio Grassi | 3-6, 6-3, 6-4 | | detaliu meci |  Panama City | Zgura |
| 14.04.13 | 2-a rundă de calif. | Claudio Grassi | Gaston Paz | 6-1, 6-3 | | detaliu meci | ||
| 13.04.13 | 1-a rundă de calif. | Claudio Grassi | Luis Fernando Garcia | 6-2, 6-1 | | detaliu meci | ||
| 09.04.13 | 1-a rundă | Diego Sebastian Schwartzman | Claudio Grassi | 6-73, 6-2, 6-2 | | detaliu meci |  Barranquilla Challenger | Zgura |
| 08.04.13 | Calificare | Claudio Grassi | Jorge Montero | 6-1, 6-2 | | detaliu meci | ||
| 07.04.13 | 2-a rundă de calif. | Claudio Grassi | Felipe Rojas | 6-3, 6-4 | | detaliu meci | ||
| 25.03.13 | Calificare | Ivan Endara | Claudio Grassi | 7-5, 6-2 | | detaliu meci | Pereira Challenger | Zgura |
| 24.03.13 | 2-a rundă de calif. | Claudio Grassi | Felipe Rojas | 6-2, 6-2 | | detaliu meci | ||
| 24.03.13 | 1-a rundă de calif. | Claudio Grassi | Jhan Fontalvo Silva | 6-0, 6-0 | | detaliu meci | ||
| 10.09.12 | 1-a rundă | Andrey Kuznetsov | Claudio Grassi | 6-2, 6-3 | | detaliu meci | Todi Challenger | Zgura |
| 20.08.12 | 1-a rundă | Marco Cecchinato | Claudio Grassi | 6-4, 6-3 | | detaliu meci | Italy F23 | Zgura |
| 08.08.12 | a 2-a rundă | Stephane Robert | Claudio Grassi | 6-3, 6-3 | | detaliu meci |  San Marino | Zgura |
| 06.08.12 | 1-a rundă | Claudio Grassi | Guillermo Hormazabal | 6-3, 7-62 | | detaliu meci | ||
| 05.08.12 | Calificare | Claudio Grassi | Marco Cecchinato | 2-6, 6-1, 6-4 | | detaliu meci | ||
| 04.08.12 | 1-a rundă de calif. | Claudio Grassi | Manuel Righi | 6-1, 6-2 | | detaliu meci | ||
| 04.08.12 | 2-a rundă de calif. | Claudio Grassi | Andrea Grossi | 6-1, 6-0 | | detaliu meci | ||
| 23.07.12 | 1-a rundă | Claudio Grassi | Manuel Mazzella | 6-1, 6-2 | | detaliu meci | Italy F19 | Zgura |
| 23.07.12 | Sfert de finală | Miljan Zekic | Claudio Grassi | 6-2, 6-4 | | detaliu meci | ||
| 23.07.12 | a 2-a rundă | Claudio Grassi | Lorenzo Papasidero | 4-6, 6-1, 6-3 | | detaliu meci | ||
| 12.07.12 | a 2-a rundă | Victor Estrella | Claudio Grassi | 6-4, 6-1 | | detaliu meci | Bogota Challenger | Zgura |
| 10.07.12 | 1-a rundă | Claudio Grassi | Ricardo Hocevar | 3-6, 6-3, 6-4 | | detaliu meci | ||
| 03.07.12 | 1-a rundă | Diego Junqueira | Claudio Grassi | 6-3, 6-2 | | detaliu meci |  Lima Challenger | Zgura |
| 11.06.12 | 1-a rundă | James Marsalek | Claudio Grassi | 6-3, 6-3 | | detaliu meci | Italy F13 | Zgura |
| 04.06.12 | Semifinală | Andrea Arnaboldi | Claudio Grassi | 7-5, 6-2 | | detaliu meci | Italy F12 | Zgura |
| 04.06.12 | a 2-a rundă | Claudio Grassi | Amerigo Contini | 5-7, 6-3, 6-2 | | detaliu meci | ||
| 04.06.12 | Sfert de finală | Claudio Grassi | Matteo Trevisan | 6-4, 6-4 | | detaliu meci | ||
| 04.06.12 | 1-a rundă | Claudio Grassi | Marco Speronello | 6-2, 6-3 | | detaliu meci | ||
| 14.05.12 | 1-a rundă | Claudio Grassi | Francesco Carenza | 6-3, 6-0 | | detaliu meci | Italy F9 | Zgura |
| 14.05.12 | a 2-a rundă | Claudio Grassi | Federico Torresi | 6-1, 7-5 | | detaliu meci | ||
| 14.05.12 | Sfert de finală | Moritz Baumann | Claudio Grassi | 6-3, 6-4 | | detaliu meci | ||
| 07.05.12 | a 2-a rundă | Claudio Grassi | Massimo Capone | 6-4, 6-4 | | detaliu meci | Italy F8 | Zgura |
| 07.05.12 | Finală | Luca Vanni | Claudio Grassi | 6-4, 6-3 | | detaliu meci | ||
| 07.05.12 | Sfert de finală | Claudio Grassi | Filip Peliwo | 6-3, 4-6, 6-2 | | detaliu meci | ||
| 07.05.12 | Semifinală | Claudio Grassi | Moritz Baumann | 6-4, 6-3 | | detaliu meci | ||
| 07.05.12 | 1-a rundă | Claudio Grassi | Sami Reinwein | 6-4, 6-4 | | detaliu meci | ||
| 30.04.12 | Sfert de finală | Alberto Brizzi | Claudio Grassi | 6-2, 6-0 | | detaliu meci | Italy F7 | Zgura |
| 30.04.12 | 1-a rundă | Claudio Grassi | Riccardo Sinicropi | 6-3, 6-2 | | detaliu meci | ||
| 30.04.12 | a 2-a rundă | Claudio Grassi | Marco Cecchinato | 6-2, 6-3 | | detaliu meci | ||
| 16.04.12 | a 2-a rundă | Alex Bolt | Claudio Grassi | 6-3, 3-6, 6-3 | | detaliu meci | Italy F5 | Zgura |
| 16.04.12 | 1-a rundă | Claudio Grassi | Maverick Banes | 6-4, 3-6, 6-4 | | detaliu meci | ||
| 09.04.12 | a 2-a rundă | Claudio Grassi | Luca Vanni | 6-4, 6-1 | | detaliu meci | Italy F4 | Zgura |
| 09.04.12 | Semifinală | Michael Linzer | Claudio Grassi | 6-3, 6-4 | | detaliu meci | ||
| 09.04.12 | Sfert de finală | Claudio Grassi | Daniel Smethurst | 7-5, 6-1 | | detaliu meci | ||
| 09.04.12 | 1-a rundă | Claudio Grassi | Marcus Daniell | 3-2, Marcus Daniell - retragere | | detaliu meci | ||
| 02.04.12 | Sfert de finală | Nick van der Meer | Claudio Grassi | 6-2, 7-5 | | detaliu meci | Italy F3 | Zgura |
| 02.04.12 | 1-a rundă | Claudio Grassi | Matteo Fago | 5-7, 7-5, 6-3 | | detaliu meci | ||
| 02.04.12 | a 2-a rundă | Claudio Grassi | Omar Giacalone | 6-2, 6-75, 6-3 | | detaliu meci | ||
| 27.09.11 | 1-a rundă | Juan-Sebastian Cabal | Claudio Grassi | 6-2, 7-5 | | detaliu meci |  Aguascalenties Challenger | Zgura |
| 08.08.11 | Finală | Claudio Grassi | Pierre-Hugues Herbert | 6-3, 6-4 | | detaliu meci |  Latvia F1 | Zgura |
| 08.08.11 | a 2-a rundă | Claudio Grassi | Pierre Bonfre | 4-6, 6-1, 7-5 | | detaliu meci | ||
| 08.08.11 | Sfert de finală | Claudio Grassi | Roberto Marcora | 7-63, 6-4 | | detaliu meci | ||
| 08.08.11 | Semifinală | Claudio Grassi | Dzmitry Zhyrmont | 5-7, 7-5, 6-1 | | detaliu meci | ||
| 08.08.11 | 1-a rundă | Claudio Grassi | Arturs Kazijevs | 6-4, 7-5 | | detaliu meci | ||
| 01.08.11 | 1-a rundă | Claudio Grassi | Niccolo Mugelli | 4-6, 6-3, 6-3 | | detaliu meci | Italy F21 | Zgura |
| 01.08.11 | a 2-a rundă | Marco Viola | Claudio Grassi | 6-3, 7-65 | | detaliu meci | ||
| 25.07.11 | 1-a rundă | Claudio Grassi | Thomas Le Boulch | 7-5, 6-2 | | detaliu meci |  Turkey F21 | Zgura |
| 25.07.11 | a 2-a rundă | Jerome Inzerillo | Claudio Grassi | 7-63, 2-6, 7-5 | | detaliu meci | ||
| 18.07.11 | 1-a rundă | Claudio Grassi | Francesco Borgo | 4-6, 6-3, 6-4 | | detaliu meci | Turkey F20 | Zgura |
| 18.07.11 | a 2-a rundă | Claudio Grassi | Valentin Dimov | 4-6, 6-3, 6-1 | | detaliu meci | ||
| 18.07.11 | Sfert de finală | Alexander Jakupovic | Claudio Grassi | 6-2, 6-2 | | detaliu meci | ||
| 11.07.11 | 1-a rundă | Claudio Grassi | Federico Margini | 6-1, 6-3 | | detaliu meci | Italy F18 | Zgura |
| 11.07.11 | a 2-a rundă | Francesco Borgo | Claudio Grassi | 3-6, 6-3, 6-4 | | detaliu meci | ||
| 20.06.11 | 1-a rundă | Claudio Grassi | Alexander Zhurbin | 7-63, 6-3 | | detaliu meci | Italy F15 | Zgura |
| 20.06.11 | Semifinală | Alessandro Giannessi | Claudio Grassi | 6-2, 6-3 | | detaliu meci | ||
| 20.06.11 | a 2-a rundă | Claudio Grassi | Giulio Torroni | 7-5, 6-2 | | detaliu meci | ||
| 20.06.11 | Sfert de finală | Claudio Grassi | Thales Turini | 5-7, 6-2, 6-2 | | detaliu meci | ||
| 30.05.11 | Sfert de finală | Christian Lindell | Claudio Grassi | 7-5, 6-3 | | detaliu meci | Italy F12 | Zgura |
| 30.05.11 | 1-a rundă | Claudio Grassi | Nikolai Haessig | 6-2, 6-4 | | detaliu meci | ||
| 30.05.11 | a 2-a rundă | Claudio Grassi | Enrico Fioravante | 6-0, 2-6, 6-4 | | detaliu meci | ||
| 23.05.11 | 1-a rundă | Dusan Lajovic | Claudio Grassi | 6-2, 5-7, 7-5 | | detaliu meci | Italy F11 | Zgura |
| 09.05.11 | 1-a rundă | Claudio Grassi | Matwe Middelkoop | 6-4, 6-3 | | detaliu meci | Italy F9 | Zgura |
| 09.05.11 | a 2-a rundă | Claudio Grassi | Alejandro Fabbri | 6-4, 6-4 | | detaliu meci | ||
| 09.05.11 | Sfert de finală | Antal Van Der Duim | Claudio Grassi | 6-0, 7-5 | | detaliu meci | ||
| 02.05.11 | 1-a rundă | Yann Marti | Claudio Grassi | 4-6, 6-2, 6-2 | | detaliu meci | Italy F8 | Zgura |
| 25.04.11 | 1-a rundă | Claudio Grassi | Oliver Golding | 4-6, 6-2, 7-62 | | detaliu meci |  Great Britain | Zgura |
| 25.04.11 | a 2-a rundă | Enrico Burzi | Claudio Grassi | 6-4, 6-3 | | detaliu meci | ||
| 18.04.11 | 1-a rundă | Yannick Mertens | Claudio Grassi | 6-0, 6-0 | | detaliu meci | Italy F6 | Zgura |
| 04.04.11 | Calificare | Kenny de Schepper | Claudio Grassi | 6-2, 6-0 | | detaliu meci | Monza Challenger | Zgura |
| 04.04.11 | 2-a rundă de calif. | Claudio Grassi | Marco Bortolotti | 6-1, 6-2 | | detaliu meci | ||
| 09.08.10 | 1-a rundă | Miljan Zekic | Claudio Grassi | 6-3, 6-3 | | detaliu meci |  Serbia F5 | Zgura |
| 02.08.10 | 1-a rundă | Claudio Grassi | Roberto Marcora | 6-2, 6-4 | | detaliu meci | Italy F20 | Zgura |
| 02.08.10 | a 2-a rundă | Alessandro Colella | Claudio Grassi | 7-5, 6-3 | | detaliu meci | ||
| 26.07.10 | 1-a rundă | Florian Reynet | Claudio Grassi | 7-5, 6-2 | | detaliu meci | Italy F19 | Zgura |
| 12.07.10 | 1-a rundă | Pavol Cervenak | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Italy F17 | Zgura |
| 24.05.10 | 1-a rundă | Gerald Kamitz | Claudio Grassi | 7-68, 3-6, 6-2 | | detaliu meci |  Slovenia F1 | Zgura |
| 17.05.10 | 1-a rundă | Paul-Mihai Puscasu | Claudio Grassi | 6-4, 1-6, 6-3 | | detaliu meci |  Romania F1 | Zgura |
| 03.05.10 | 1-a rundă | Claudio Grassi | Neil Pauffley | 6-2, 6-4 | | detaliu meci | Great Britain | Zgura |
| 03.05.10 | a 2-a rundă | Claudio Grassi | Jack Carpenter | 6-2, 6-4 | | detaliu meci | ||
| 03.05.10 | Sfert de finală | Claudio Grassi | Alexander Ward | 6-4, 6-3 | | detaliu meci | ||
| 03.05.10 | Semifinală | Mathieu Rodrigues | Claudio Grassi | 6-0, 5-7, 7-62 | | detaliu meci | ||
| 26.04.10 | a 2-a rundă | Mikhail Vasiliev | Claudio Grassi | 5-7, 6-1, 7-5 | | detaliu meci | Great Britain | Zgura |
| 26.04.10 | 1-a rundă | Claudio Grassi | Daniel Glancy | 6-4, 6-3 | | detaliu meci | ||
| 05.04.10 | 2-a rundă de calif. | Benjamin Balleret | Claudio Grassi | 6-0, 6-3 | | detaliu meci | Monza Challenger | Zgura |
| 05.04.10 | 1-a rundă de calif. | Claudio Grassi | Cristian Villagran | 6-2, 6-3 | | detaliu meci | ||
| 29.03.10 | 1-a rundă | Hans Podlipnik-Castillo | Claudio Grassi | 7-64, 6-0 | | detaliu meci |  Croatia F3 | Zgura |
| 18.01.10 | 1-a rundă | Christopher Diaz-Figueroa | Claudio Grassi | 3-6, 2-1, Claudio Grassi - retragere | | detaliu meci |  El Salvador | Zgura |
| 31.08.09 | Semifinală | Claudio Grassi | Laurynas Grigelis | 6-1, 7-5 | | detaliu meci | Italy F26 | Zgura |
| 31.08.09 | 1-a rundă | Claudio Grassi | Robin Kern | 6-1, 6-0 | | detaliu meci | ||
| 31.08.09 | Finală | Daniele Giorgini | Claudio Grassi | 4-6, 6-1, 6-1 | | detaliu meci | ||
| 31.08.09 | a 2-a rundă | Claudio Grassi | Deni Zmak | 6-2, 6-1 | | detaliu meci | ||
| 31.08.09 | Sfert de finală | Claudio Grassi | Herbert Wiltschnig | 4-6, 7-5, 6-3 | | detaliu meci | ||
| 17.08.09 | a 2-a rundă | Andrei Plotniy | Claudio Grassi | 7-66, 7-61 | | detaliu meci | Serbia F7 | Zgura |
| 17.08.09 | 1-a rundă | Claudio Grassi | Nikola Cacic | 6-3, 1-0, Nikola Cacic - retragere | | detaliu meci | ||
| 10.08.09 | 1-a rundă | Francesco Piccari | Claudio Grassi | 7-64, 3-6, 7-5 | | detaliu meci | Italy F23 | Zgura |
| 27.07.09 | 1-a rundă | Claudio Grassi | Matteo Mauri | 6-4, 7-5 | | detaliu meci | Italy F21 | Zgura |
| 27.07.09 | Sfert de finală | Filippo Leonardi | Claudio Grassi | 6-3, 2-6, 6-3 | | detaliu meci | ||
| 27.07.09 | a 2-a rundă | Claudio Grassi | Antonio Comporto | 6-1, 7-60 | | detaliu meci | ||
| 13.07.09 | 1-a rundă | Alessandro Giannessi | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Italy F19 | Zgura |
| 06.07.09 | 1-a rundă de calif. | Claudio Grassi | Daniele Giuliani | 6-75, 6-0, 6-4 | | detaliu meci | San Benedetto | Zgura |
| 06.07.09 | 2-a rundă de calif. | Adriano Biasella | Claudio Grassi | 6-1, 6-4 | | detaliu meci | ||
| 29.06.09 | a 2-a rundă | Deni Zmak | Claudio Grassi | 6-4, 7-5 | | detaliu meci | Italy F17 | Zgura |
| 29.06.09 | 1-a rundă | Claudio Grassi | Stefano Travaglia | 1-6, 6-4, 7-5 | | detaliu meci | ||
| 01.06.09 | 1-a rundă | Claudio Grassi | Dimitar Grabul | 6-4, 3-6, 6-3 | | detaliu meci | Tunisia F1 | Zgura |
| 01.06.09 | Sfert de finală | Malek Jaziri | Claudio Grassi | 3-6, 6-3, 6-4 | | detaliu meci | ||
| 01.06.09 | a 2-a rundă | Claudio Grassi | Gilles de Sousa | 6-0, 3-6, 6-4 | | detaliu meci | ||
| 25.05.09 | 1-a rundă | Claudio Grassi | Davide Della Tommasina | 6-2, 6-3 | | detaliu meci | Italy F12 | Zgura |
| 25.05.09 | a 2-a rundă | Leandro Migani | Claudio Grassi | 6-4, 5-7, 6-1 | | detaliu meci | ||
| 04.05.09 | 1-a rundă | Claudio Grassi | Colin O'Brien | 6-1, 7-62 | | detaliu meci | Great Britain | Zgura |
| 04.05.09 | a 2-a rundă | Agustin Boje-Ordonez | Claudio Grassi | 6-3, 5-3, Claudio Grassi - retragere | | detaliu meci | ||
| 27.04.09 | a 2-a rundă | Claudio Grassi | David Rice | 4-6, 6-1, 6-0 | | detaliu meci | Great Britain | Zgura |
| 27.04.09 | Sfert de finală | Ignacio Coll-Riudavets | Claudio Grassi | 5-7, 6-4, 7-5 | | detaliu meci | ||
| 27.04.09 | 1-a rundă | Claudio Grassi | Nick Cavaday | 7-63, 6-75, 6-0 | | detaliu meci | ||
| 30.03.09 | 1-a rundă | Claudio Grassi | Juan-Pablo Villar | 6-4, 6-4 | | detaliu meci | Italy F5 | Zgura |
| 30.03.09 | a 2-a rundă | Victor Ionita | Claudio Grassi | 6-1, 6-1 | | detaliu meci | ||
| 23.03.09 | 1-a rundă | Claudio Grassi | Rodrigo-Antonio Grilli | 6-4, 5-7, 7-5 | | detaliu meci | Italy F4 | Zgura |
| 23.03.09 | a 2-a rundă | Walter Trusendi | Claudio Grassi | 6-1, 6-2 | | detaliu meci | ||
| 16.03.09 | 1-a rundă | Claudio Grassi | Francesco Vilardo | 6-0, 6-4 | | detaliu meci | Italy F3 | Zgura |
| 16.03.09 | a 2-a rundă | Claudio Grassi | Massimo Capone | 6-0, 6-4 | | detaliu meci | ||
| 16.03.09 | Sfert de finală | Tim Goransson | Claudio Grassi | 6-3, 1-6, 6-4 | | detaliu meci | ||
| 09.02.09 | Semifinală | Claudio Grassi | Gonzalo Tur | 6-1, 6-2 | | detaliu meci | Panama F1 | Zgura |
| 09.02.09 | 1-a rundă | Claudio Grassi | Rafael Camilo | 3-4, Rafael Camilo - retragere | | detaliu meci | ||
| 09.02.09 | Finală | Rafael Arevalo | Claudio Grassi | 7-5, 6-2 | | detaliu meci | ||
| 09.02.09 | a 2-a rundă | Claudio Grassi | Gregory Ouellette | 4-6, 6-3, 6-4 | | detaliu meci | ||
| 09.02.09 | Sfert de finală | Claudio Grassi | Giulio Torroni | 7-5, Giulio Torroni - retragere | | detaliu meci | ||
| 19.01.09 | Sfert de finală | Claudio Grassi | Gaston-Arturo Grimolizzi | 2-6, 7-5, 6-3 | | detaliu meci | El Salvador | Zgura |
| 19.01.09 | Semifinală | Lars Poerschke | Claudio Grassi | 7-5, 3-6, 6-3 | | detaliu meci | ||
| 19.01.09 | 1-a rundă | Claudio Grassi | Christopher Racz | 6-0, 6-2 | | detaliu meci | ||
| 19.01.09 | a 2-a rundă | Claudio Grassi | Jorge Montero | 6-4, 7-5 | | detaliu meci | ||
| 10.11.08 | Sfert de finală | Riccardo Ghedin | Claudio Grassi | 6-1, 7-65 | | detaliu meci | Mexico F16 | Zgura |
| 10.11.08 | a 2-a rundă | Claudio Grassi | Timothy Bradshaw | 6-2, 6-0 | | detaliu meci | ||
| 10.11.08 | 1-a rundă | Claudio Grassi | Jose Carlos Gutierrez Pliego | 6-3, 6-1 | | detaliu meci | ||
| 03.11.08 | 1-a rundă | Claudio Grassi | German Sanchez Delfin | 7-61, 6-1 | | detaliu meci | Mexico F15 | Zgura |
| 03.11.08 | a 2-a rundă | Claudio Grassi | Petar Jelenic | 7-5, 6-2 | | detaliu meci | ||
| 03.11.08 | Sfert de finală | Carlos Palencia | Claudio Grassi | 6-3, 4-6, 6-4 | | detaliu meci | ||
| 29.09.08 | 1-a rundă | Pedro Clar-Rossello | Claudio Grassi | 6-1, 7-65 | | detaliu meci | Italy F33 | Zgura |
| 22.09.08 | 2-a rundă de calif. | Nick van der Meer | Claudio Grassi | 6-4, 6-2 | | detaliu meci | Napoli | Zgura |
| 22.09.08 | 1-a rundă de calif. | Claudio Grassi | Leonardo Azzaro | 7-5, 3-6, 6-2 | | detaliu meci | ||
| 16.09.08 | 1-a rundă | Paolo Lorenzi | Claudio Grassi | 6-1, 7-5 | | detaliu meci | Todi | Zgura |
| 01.09.08 | a 2-a rundă | Claudio Grassi | Fabio Tenneriello | 6-3, 6-1 | | detaliu meci | Italy F29 | Zgura |
| 01.09.08 | Sfert de finală | Claudio Grassi | Peter Steinberger | 6-3, 6-4 | | detaliu meci | ||
| 01.09.08 | Semifinală | Reda El Amrani | Claudio Grassi | 6-3, 6-1 | | detaliu meci | ||
| 01.09.08 | 1-a rundă | Claudio Grassi | Gaetano Marrone | 6-2, 6-3 | | detaliu meci | ||
| 25.08.08 | 1-a rundă | Claudio Grassi | Vasek Pospisil | 6-2, 7-65 | | detaliu meci | Serbia F6 | Zgura |
| 25.08.08 | Sfert de finală | Petar Popovic | Claudio Grassi | 6-2, 6-4 | | detaliu meci | ||
| 25.08.08 | a 2-a rundă | Claudio Grassi | Nikola Cacic | 6-2, 6-0 | | detaliu meci | ||
| 18.08.08 | 1-a rundă | Claudio Grassi | Borislav Borovic | 6-3, 6-4 | | detaliu meci | Serbia F5 | Zgura |
| 18.08.08 | Finală | Attila Balazs | Claudio Grassi | 6-4, 6-3 | | detaliu meci | ||
| 18.08.08 | a 2-a rundă | Claudio Grassi | Stefan Bojic | 6-0, 6-4 | | detaliu meci | ||
| 18.08.08 | Sfert de finală | Claudio Grassi | Damiano di Ienno | 6-2, 6-0 | | detaliu meci | ||
| 18.08.08 | Semifinală | Claudio Grassi | Aleksander Slovic | 6-2, 1-6, 6-4 | | detaliu meci | ||
| 04.08.08 | 1-a rundă | Christoffer Konigsfeldt | Claudio Grassi | 2-6, 7-64, 6-4 | | detaliu meci |  Lithuania F1 | Zgura |
| 28.07.08 | 1-a rundă | Claudio Grassi | Massimo Capone | 6-74, 6-3, 7-5 | | detaliu meci | Italy F24 | Zgura |
| 28.07.08 | Sfert de finală | Davide Bramanti | Claudio Grassi | 7-67, 6-3 | | detaliu meci | ||
| 28.07.08 | a 2-a rundă | Claudio Grassi | Filippo Leonardi | 6-4, 7-65 | | detaliu meci | ||
| 15.07.08 | 1-a rundă | Lamine Ouahab | Claudio Grassi | 6-4, 6-3 | | detaliu meci | Rimini | Zgura |
| 14.07.08 | Calificare | Claudio Grassi | Luca Vanni | 6-2, 6-2 | | detaliu meci | ||
| 14.07.08 | 1-a rundă de calif. | Claudio Grassi | Diego Zonzini | 6-1, 6-1 | | detaliu meci | ||
| 14.07.08 | 2-a rundă de calif. | Claudio Grassi | Kamil Capkovic | 4-6, 7-63, 7-5 | | detaliu meci | ||
| 07.07.08 | 1-a rundă | Claudio Grassi | Marco Speronello | 6-1, 6-0 | | detaliu meci | Italy F21 | Zgura |
| 07.07.08 | a 2-a rundă | Guillermo Olaso | Claudio Grassi | 6-1, 6-1 | | detaliu meci | ||
| 30.06.08 | 1-a rundă | Claudio Grassi | Matt Fox | 7-67, 6-3 | | detaliu meci | Morocco F5 | Zgura |
| 30.06.08 | Sfert de finală | Cesar Ferrer-Victoria | Claudio Grassi | 6-3, 3-6, 6-3 | | detaliu meci | ||
| 30.06.08 | a 2-a rundă | Claudio Grassi | Miguel Almeida | 6-2, 6-3 | | detaliu meci | ||
| 23.06.08 | 1-a rundă | Claudio Grassi | Germain Gigounon | 6-2, 7-5 | | detaliu meci | Morocco F4 | Zgura |
| 23.06.08 | a 2-a rundă | Roman Vogeli | Claudio Grassi | 6-3, 6-1 | | detaliu meci | ||
| 09.06.08 | 1-a rundă | Claudio Grassi | Stephane Piro | 7-63, 6-2 | | detaliu meci | Tunisia F1 | Zgura |
| 09.06.08 | a 2-a rundă | Claudio Grassi | Nick Trkulja | 6-4, 6-3 | | detaliu meci | ||
| 09.06.08 | Sfert de finală | Robin Roshardt | Claudio Grassi | 6-2, 6-0 | | detaliu meci | ||
| 02.06.08 | a 2-a rundă | Claudio Grassi | Matt Simpson | 6-3, 6-1 | | detaliu meci | Italy F16 | Zgura |
| 02.06.08 | Sfert de finală | Francesco Piccari | Claudio Grassi | 7-5, 6-3 | | detaliu meci | ||
| 02.06.08 | 1-a rundă | Claudio Grassi | Carlos Avellan | 6-3, 6-2 | | detaliu meci | ||
| 12.05.08 | 1-a rundă | Josip Juric | Claudio Grassi | 2-6, 7-5, 6-4 | | detaliu meci |  Bosnia/Herzegovina F2 | Zgura |
| 28.04.08 | 1-a rundă | Victor Ionita | Claudio Grassi | 6-3, 6-4 | | detaliu meci | Romania F1 | Zgura |
| 31.03.08 | 1-a rundă | Antonio Pastorino | Claudio Grassi | 6-1, 6-3 | | detaliu meci | Italy F7 | Zgura |
| 24.03.08 | a 2-a rundă | Antonio Pastorino | Claudio Grassi | 6-3, 6-2 | | detaliu meci | Italy F6 | Zgura |
| 24.03.08 | 1-a rundă | Claudio Grassi | Giorgio Portaluri | 6-4, 6-2 | | detaliu meci | ||
| 25.02.08 | 1-a rundă | Giulio di Meo | Claudio Grassi | 6-4, 6-3 | | detaliu meci | Italy F3 | Zgura |
| 28.01.08 | 1-a rundă | Raian Luchici | Claudio Grassi | 6-4, 6-2 | | detaliu meci | Panama F1 | Zgura |
| 10.09.07 | 1-a rundă de calif. | Photos Kallias | Claudio Grassi | 6-2, 6-1 | | detaliu meci | Todi | Zgura |
| 03.09.07 | 1-a rundă | Vladimir Obradovic | Claudio Grassi | 6-3, 6-2 | | detaliu meci | Croatia F9 | Zgura |
| 27.08.07 | 1-a rundă | Damiano di Ienno | Claudio Grassi | 6-2, 7-5 | | detaliu meci | Croatia F8 | Zgura |
| 20.08.07 | 1-a rundă | Claudio Grassi | Gregor Repina | 6-0, 6-3 | | detaliu meci | Croatia F7 | Zgura |
| 20.08.07 | a 2-a rundă | Claudio Grassi | Mikhail Vasiliev | 1-6, 7-64, 6-2 | | detaliu meci | ||
| 20.08.07 | Sfert de finală | Albert Loncaric | Claudio Grassi | 6-3, 6-3 | | detaliu meci | ||
| 06.08.07 | 1-a rundă | Reda El Amrani | Claudio Grassi | 6-3, 6-3 | | detaliu meci | Italy F26 | Zgura |
| 18.06.07 | 1-a rundă | Luca Vanni | Claudio Grassi | 6-4, 6-3 | | detaliu meci | Italy F19 | Zgura |
| 11.06.07 | a 2-a rundă | Marco di Vuolo | Claudio Grassi | 6-3, 6-2 | | detaliu meci | Italy F18 | Zgura |
| 11.06.07 | 1-a rundă | Claudio Grassi | Hans Podlipnik-Castillo | 6-3, 6-1 | | detaliu meci | ||
| 04.06.07 | 1-a rundă | Francesco Piccari | Claudio Grassi | 6-2, 6-4 | | detaliu meci | Italy F17 | Zgura |
| 14.05.07 | 1-a rundă | Claudio Grassi | Vedran Begovic | 6-4, 6-2 | | detaliu meci | Bosnia/Herzegovina F2 | Zgura |
| 14.05.07 | a 2-a rundă | Claudio Grassi | Valery Rudnev | 6-77, 7-65, 6-2 | | detaliu meci | ||
| 14.05.07 | Sfert de finală | Photos Kallias | Claudio Grassi | 6-4, 3-6, 6-1 | | detaliu meci | ||
| 22.01.07 | 1-a rundă | Matias Saenz | Claudio Grassi | 6-2, 7-5 | | detaliu meci | Panama F1 | Zgura |
| 19.06.06 | 1-a rundă | Alexander Jakupovic | Claudio Grassi | 1-6, 7-62, 6-1 | | detaliu meci |  Ireland F1 | Zgura |
| 19.06.06 | 1-a rundă | Alexander Jakupovic | Claudio Grassi | 1-6, 7-62, 6-1 | | detaliu meci | ||
| 06.03.06 | a 2-a rundă | Leonardo Azzaro | Claudio Grassi | 6-3, 6-3 | | detaliu meci | Italy F4 | Zgura |
| 06.03.06 | 1-a rundă | Claudio Grassi | Pablo Andujar | 1-6, 7-5, 6-4 | | detaliu meci | ||
| 25.07.05 | 1-a rundă | Enrico Wellenfeld | Claudio Grassi | 6-1, 6-1 | | detaliu meci | Italy F23 | Zgura |
| 26.07.04 | a 2-a rundă | Giancarlo Petrazzuolo | Claudio Grassi | 6-2, 6-2 | | detaliu meci | Italy F18 | Zgura |
| 26.07.04 | 1-a rundă | Claudio Grassi | Gregorio Sgarlato | 6-2, 7-5 | | detaliu meci | ||
| 05.07.04 | 1-a rundă | Mikhail Vasiliev | Claudio Grassi | 6-0, 6-3 | | detaliu meci | Italy F15 | Zgura |
| 04.08.03 | 1-a rundă de calif. | Jerome Haehnel | Claudio Grassi | 6-0, 6-0 | | detaliu meci | San Marino | Zgura |
| 23.06.03 | 1-a rundă de calif. | Giancarlo Petrazzuolo | Claudio Grassi | 6-1, 6-1 | | detaliu meci | Reggio Emilia | Zgura |
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