Nume: Seita Watanabe
Ţara: Japonia
Data naşterii: 25.12.00, 25 Vârsta
Clasament ATP: 889
TOP poziţie în clasament: 824 (18.11.24, 25 puncte)
Puncte: 20
Premii: 102982 $
Total meciuri: 209
Victorii: 101
Succes: 48.33 %
Ţara: Japonia
Data naşterii: 25.12.00, 25 Vârsta
Clasament ATP: 889
TOP poziţie în clasament: 824 (18.11.24, 25 puncte)
Puncte: 20
Premii: 102982 $
Total meciuri: 209
Victorii: 101
Succes: 48.33 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2026 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2025 | 0/8 | 0/4 | 0/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2024 | 15/17 | 10/9 | 5/8 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 13/16 | 13/13 | 0/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 14/23 | 12/20 | 2/2 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2021 | 27/20 | 23/15 | 4/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 6/3 | 6/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 25/17 | 20/12 | 5/4 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 1/2 | 0/0 | 0/0 | 1/1 | 0/1 | 0/0 | 0/0 |
| 2017 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| ÎN TOTAL | 101/108 | 84/76 | 16/27 | 1/4 | 0/1 | 0/0 | 0/0 |
| succes % | 48.33 % | 52.5 % | 37.21 % | 20 % | 0 % | 0 % | 0 % |
Seita Watanabe / nejucate / ultimele
| nu a fost găsit nici un meci |
Seita Watanabe form / suprafaţa: Hard
Seita Watanabe / suprafaţa: Hard
| 20.10.25 | 1-a rundă de calif. | Takuya Kumasaka | Seita Watanabe | 6-3, 3-6, 6-4 |  | detaliu meci |  Suzhou Challenger | Hard |
| 08.09.25 | Calificare | Ramkumar Ramanathan | Seita Watanabe | 7-5, 7-64 | | detaliu meci | Guangzhou Challenger | Hard |
| 24.08.25 | 1-a rundă de calif. | James Watt | Seita Watanabe | 6-3, 6-4 | | detaliu meci | Zhangjiagang Challenger | Hard |
| 29.12.24 | 1-a rundă de calif. | Hikaru Shiraishi | Seita Watanabe | 6-2, 4-6, 6-2 | | detaliu meci |  Nonthaburi 1 | Hard |
| 29.10.24 | 1-a rundă | Blake Mott | Seita Watanabe | 7-5, 6-75, 6-3 | | detaliu meci |  Sydney Challenger | Hard |
| 28.10.24 | Calificare | Seita Watanabe | Cruz Hewitt | 3-6, 6-0, 6-4 |  | detaliu meci | ||
| 27.10.24 | 1-a rundă de calif. | Seita Watanabe | Charlie Camus | 7-5, 6-1 | | detaliu meci | ||
| 21.10.24 | Calificare | Pavle Marinkov | Seita Watanabe | 2-6, 7-5, 6-3 | | detaliu meci | Playford Challenger | Hard |
| 20.10.24 | 1-a rundă de calif. | Seita Watanabe | Matthew Hulme | 6-4, 1-6, 7-68 | | detaliu meci | ||
| 19.09.24 | a 2-a rundă | Taisei Ichikawa | Seita Watanabe | 6-3, 6-4 | | detaliu meci |  M25 Takasaki | Hard |
| 17.09.24 | 1-a rundă | Seita Watanabe | Ryusuke Horiuchi | 7-5, 7-66 | | detaliu meci | ||
| 16.09.24 | Calificare | Seita Watanabe | Yuta Tomida | 6-76, 6-3, 10-7 | | detaliu meci | ||
| 15.09.24 | 1-a rundă de calif. | Seita Watanabe | Shunrou Takeshima | 6-3, 1-6, 10-5 | | detaliu meci | ||
| 08.09.24 | 1-a rundă de calif. | Pengyu Lu | Seita Watanabe | 7-5, 6-3 | | detaliu meci | Guangzhou Challenger | Hard |
| 25.08.24 | 1-a rundă de calif. | Kris Van Wyk | Seita Watanabe | 6-3, 6-3 | | detaliu meci | Zhangjiagang Challenger | Hard |
| 18.08.24 | 1-a rundă de calif. | Keegan Smith | Seita Watanabe | 6-4, 6-2 | | detaliu meci | Jinan Challenger | Hard |
| 17.07.24 | a 2-a rundă | Aleksandre Bakshi | Seita Watanabe | 6-3, 6-1 | | detaliu meci |  Astana Challenger | Hard |
| 16.07.24 | 1-a rundă | Seita Watanabe | Filip Peliwo | 6-73, 6-4, 7-68 | | detaliu meci | ||
| 15.07.24 | Calificare | Seita Watanabe | Aleksandr Lobanov | 6-3, 6-1 | | detaliu meci | ||
| 14.07.24 | 1-a rundă de calif. | Seita Watanabe | Karan Singh | 6-2, 6-75, 6-3 | | detaliu meci | ||
| 05.02.24 | Calificare | Yuki Mochizuki | Seita Watanabe | 6-3, 6-3 | | detaliu meci | Burnie 2 | Hard |
| 04.02.24 | 1-a rundă de calif. | Seita Watanabe | Hanyi Liu | 7-62, 6-3 | | detaliu meci | ||
| 28.01.24 | 1-a rundă de calif. | Yuki Mochizuki | Seita Watanabe | 7-64, 6-0 | | detaliu meci | Burnie 1 | Hard |
| 27.12.23 | 1-a rundă | Duckhee Lee | Seita Watanabe | 6-1, 7-64 | | detaliu meci | M15 Yanagawa | Hard |
| 22.12.23 | Sfert de finală | Masamichi Imamura | Seita Watanabe | 3-6, 6-4, 6-3 | | detaliu meci | M15 Yanagawa | Hard |
| 22.12.23 | a 2-a rundă | Seita Watanabe | Shu Matsuoka | 7-5, 6-4 | | detaliu meci | ||
| 20.12.23 | 1-a rundă | Seita Watanabe | Hayato Matsuoka | 7-5, 6-2 | | detaliu meci | ||
| 01.12.23 | Sfert de finală | David Pichler | Seita Watanabe | 6-2, 6-0 | | detaliu meci |  M25 Kalaburagi | Hard |
| 30.11.23 | a 2-a rundă | Seita Watanabe | Rishi Reddy | 6-2, 6-3 | | detaliu meci | ||
| 29.11.23 | 1-a rundă | Seita Watanabe | Dhruv Hirpara | 6-2, 2-0, Dhruv Hirpara - retragere | | detaliu meci | ||
| 22.11.23 | 1-a rundă | Louis Wessels | Seita Watanabe | 6-4, 7-5 | | detaliu meci | M25 Mumbai | Hard |
| 20.09.23 | 1-a rundă | Naoki Nakagawa | Seita Watanabe | 6-3, 6-2 | | detaliu meci | M25 Takasaki | Hard |
| 18.09.23 | Calificare | Seita Watanabe | Mitsuki Wei Kang Leong | 6-4, 6-4 | | detaliu meci | ||
| 17.09.23 | 1-a rundă de calif. | Seita Watanabe | Ryouga Kanno | 6-2, 6-2 | | detaliu meci | ||
| 15.09.23 | a 2-a rundă | Naoki Nakagawa | Seita Watanabe | 6-3, 6-2 | | detaliu meci | M25 Sapporo | Hard |
| 13.09.23 | 1-a rundă | Seita Watanabe | Yuta Kikuchi | 6-1, 6-3 | | detaliu meci | ||
| 06.09.23 | 1-a rundă | Tatsuma Ito | Seita Watanabe | 4-6, 6-4, 6-4 | | detaliu meci | M25 Sapporo | Hard |
| 03.08.23 | a 2-a rundă | Khumoun Sultanov | Seita Watanabe | 4-6, 6-3, 7-5 | | detaliu meci | M25 Astana | Hard |
| 02.08.23 | 1-a rundă | Seita Watanabe | Timur Maulenov | 3-6, 6-3, 6-2 | | detaliu meci | ||
| 01.08.23 | Calificare | Seita Watanabe | Mykhailo Mossur | 6-4, 6-3 | | detaliu meci | ||
| 31.07.23 | 1-a rundă de calif. | Seita Watanabe | Vitaliy Zatsepin | 6-2, 6-2 | | detaliu meci | ||
| 23.07.23 | 1-a rundă de calif. | Egor Agafonov | Seita Watanabe | 6-2, 6-2 | | detaliu meci | Astana Challenger | Hard |
| 19.07.23 | 1-a rundă | Gilbert Klier Junior | Seita Watanabe | 6-2, 2-6, 6-2 | | detaliu meci |  M15 Monastir | Hard |
| 17.07.23 | 2-a rundă de calif. | Seita Watanabe | Amrutjay Mohanty | 6-0, 6-0 | | detaliu meci | ||
| 17.07.23 | Calificare | Seita Watanabe | Viacheslav Ovchinnikov | 6-2, 6-2 | | detaliu meci | ||
| 16.07.23 | 1-a rundă de calif. | Seita Watanabe | Alberto Bronzetti | 6-2, 6-3 | | detaliu meci | ||
| 12.07.23 | 1-a rundă | Cyril Vandermeersch | Seita Watanabe | 7-5, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 27.06.23 | 1-a rundă | Bernard Tomic | Seita Watanabe | 6-4, 6-3 | | detaliu meci |  M25 Santo | Hard |
| 21.06.23 | 1-a rundă | Tauheed Browning | Seita Watanabe | 7-66, 0-6, 7-5 | | detaliu meci | M15 Santo | Hard |
| 27.10.22 | a 2-a rundă | Thomas Fancutt | Seita Watanabe | 7-5, 7-5 | | detaliu meci |  M25 Jakarta | Hard |
| 26.10.22 | 1-a rundă | Seita Watanabe | Congsup Congcar | 6-2, 6-2 | | detaliu meci | ||
| 16.10.22 | 1-a rundă de calif. | Max Purcell | Seita Watanabe | 6-0, 6-2 | | detaliu meci |  Busan Challenger | Hard |
| 09.10.22 | 1-a rundă de calif. | Hiroki Moriya | Seita Watanabe | 6-3, 6-2 | | detaliu meci | Seoul Challenger | Hard |
| 03.10.22 | Calificare | Yunseong Chung | Seita Watanabe | 6-2, 7-61 | | detaliu meci | Gwangju Challenger | Hard |
| 02.10.22 | 1-a rundă de calif. | Seita Watanabe | Woohyuk Sim | 6-2, 6-0 | | detaliu meci | ||
| 29.09.22 | a 2-a rundă | Rio Noguchi | Seita Watanabe | 6-74, 6-3, 6-3 | | detaliu meci | M25 Kashiwa | Hard |
| 28.09.22 | 1-a rundă | Seita Watanabe | Yudai Umeoka | 6-1, 6-1 | | detaliu meci | ||
| 04.09.22 | 1-a rundă de calif. | Timo Legout | Seita Watanabe | 6-2, 4-6, 6-2 | | detaliu meci | Nonthaburi 3 | Hard |
| 16.08.22 | 1-a rundă | Kalman L. Boyd | Seita Watanabe | 6-2, 6-4 | | detaliu meci |  M15 Cancun | Hard |
| 11.08.22 | a 2-a rundă | Francisco Pini | Seita Watanabe | 6-3, 6-1 | | detaliu meci | M15 Cancun | Hard |
| 11.08.22 | 1-a rundă | Seita Watanabe | Aditya Vishal Balsekar | 6-4, 7-5 | | detaliu meci | ||
| 03.08.22 | 1-a rundă | Patrick Maloney | Seita Watanabe | 6-3, 7-5 | | detaliu meci |  M25 Decatur | Hard |
| 21.07.22 | a 2-a rundă | Tomas Farjat | Seita Watanabe | 6-3, 6-1 | | detaliu meci | M15 Cancun | Hard |
| 20.07.22 | 1-a rundă | Seita Watanabe | Alan Fernando Rubio Fierros | 4-6, 6-4, 7-5 | | detaliu meci | ||
| 15.07.22 | Sfert de finală | Fernando Yamacita | Seita Watanabe | 7-62, 6-3 | | detaliu meci | M15 Cancun | Hard |
| 14.07.22 | a 2-a rundă | Seita Watanabe | Daniel Antonio Nunez | 6-3, 6-2 | | detaliu meci | ||
| 13.07.22 | 1-a rundă | Seita Watanabe | Ignacio Carou | 6-2, 6-4 | | detaliu meci | ||
| 06.07.22 | 1-a rundă | Adam Walton | Seita Watanabe | 6-2, 6-3 | | detaliu meci | M15 Waco | Hard |
| 07.06.22 | 1-a rundă | Masamichi Imamura | Seita Watanabe | 6-3, 6-1 | | detaliu meci |  M15 Tay | Hard |
| 02.06.22 | a 2-a rundă | Thomas Fancutt | Seita Watanabe | 6-0, 7-5 | | detaliu meci | M15 Tay | Hard |
| 31.05.22 | 1-a rundă | Seita Watanabe | Ha Minh Duc Vu | 6-1, 6-2 | | detaliu meci | ||
| 26.05.22 | a 2-a rundă | Calum Puttergill | Seita Watanabe | 6-3, 3-6, 6-4 | | detaliu meci |  M25 Netanya | Hard |
| 25.05.22 | 1-a rundă | Seita Watanabe | Itamar Tapiro | 6-3, 6-1 | | detaliu meci | ||
| 20.05.22 | Sfert de finală | Ben Patael | Seita Watanabe | 7-64, 7-5 | | detaliu meci | M15 Akko | Hard |
| 19.05.22 | a 2-a rundă | Seita Watanabe | Preston Brown | 6-4, 2-6, 7-60 | | detaliu meci | ||
| 18.05.22 | 1-a rundă | Seita Watanabe | Alec Beckley | 6-2, 7-5 | | detaliu meci | ||
| 05.04.22 | 1-a rundă | Joris De Loore | Seita Watanabe | 6-0, 6-72, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 29.03.22 | 1-a rundă | Zhe Li | Seita Watanabe | 6-2, 6-1 | | detaliu meci | M15 Monastir | Hard |
| 24.03.22 | 1-a rundă | Khololwam Montsi | Seita Watanabe | 6-4, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 14.03.22 | 2-a rundă de calif. | Pietro Marino | Seita Watanabe | 6-3, 7-66 | | detaliu meci | M15 Monastir | Hard |
| 13.03.22 | 1-a rundă de calif. | Seita Watanabe | Filippo Speziali | 6-4, 6-4 | | detaliu meci | ||
| 08.10.21 | Sfert de finală | Christian Langmo | Seita Watanabe | 7-62, 6-3 | | detaliu meci | M15 Cancun | Hard |
| 07.10.21 | a 2-a rundă | Seita Watanabe | Emil Reinberg | 4-6, 6-3, 6-4 | | detaliu meci | ||
| 06.10.21 | Calificare | Seita Watanabe | Julian Cundom | 6-0, 6-0 | | detaliu meci | ||
| 06.10.21 | 1-a rundă | Seita Watanabe | Siddhant Banthia | 6-3, 6-1 | | detaliu meci | ||
| 05.10.21 | 2-a rundă de calif. | Seita Watanabe | Enzo Frances Tessari | 6-0, 6-0 | | detaliu meci | ||
| 03.10.21 | 1-a rundă de calif. | Seita Watanabe | Fernando Zuniga Cantillana | 6-2, 6-0 | | detaliu meci | ||
| 30.09.21 | a 2-a rundă | Christian Langmo | Seita Watanabe | 6-2, 6-4 | | detaliu meci | M15 Cancun | Hard |
| 28.09.21 | 1-a rundă | Seita Watanabe | Alejandro Mendoza | 7-68, 6-0 | | detaliu meci | ||
| 21.09.21 | 1-a rundă | Leonardo Civita-Telles | Seita Watanabe | 6-3, 4-6, 7-5 | | detaliu meci | M15 Cancun | Hard |
| 24.08.21 | Calificare | Kai Lemstra | Seita Watanabe | 6-1, 6-1 | | detaliu meci | M15 Monastir | Hard |
| 23.08.21 | 2-a rundă de calif. | Seita Watanabe | Samir Hamza Reguig | 6-0, 6-0 | | detaliu meci | ||
| 22.08.21 | 1-a rundă de calif. | Seita Watanabe | Danila Moroz | 6-0, 6-0 | | detaliu meci | ||
| 17.08.21 | Calificare | Jeremy Beale | Seita Watanabe | 6-710, 6-3, 10-7 | | detaliu meci | M15 Monastir | Hard |
| 16.08.21 | 2-a rundă de calif. | Seita Watanabe | Dylan Salton | 6-0, 6-2 | | detaliu meci | ||
| 15.08.21 | 1-a rundă de calif. | Seita Watanabe | Eduardo Lacalle | 6-1, Eduardo Lacalle - retragere | | detaliu meci | ||
| 12.08.21 | a 2-a rundă | Aziz Dougaz | Seita Watanabe | 6-3, 0-6, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 11.08.21 | 1-a rundă | Seita Watanabe | Dusty H. Boyer | 6-4, 6-4 | | detaliu meci | ||
| 10.08.21 | Calificare | Rishab Agarwal | Seita Watanabe | 6-4, 6-2 | | detaliu meci | ||
| 09.08.21 | 2-a rundă de calif. | Seita Watanabe | Linghao Zhang | 6-2, 5-0, Linghao Zhang - retragere | | detaliu meci | ||
| 08.08.21 | 1-a rundă de calif. | Seita Watanabe | Aleksandr Lobanov | 5-1, Aleksandr Lobanov - retragere | | detaliu meci | ||
| 03.08.21 | Calificare | Martin Dimitrov | Seita Watanabe | 7-64, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 02.08.21 | 2-a rundă de calif. | Seita Watanabe | Credit Chaiyarin | 6-3, 7-5 | | detaliu meci | ||
| 01.08.21 | 1-a rundă de calif. | Seita Watanabe | Babji Siva Atturu | 6-1, 6-0 | | detaliu meci | ||
| 07.06.21 | 2-a rundă de calif. | Ji Hoon Son | Seita Watanabe | 6-1, 1-6, 10-6 | | detaliu meci | M15 Monastir | Hard |
| 06.06.21 | 1-a rundă de calif. | Seita Watanabe | Connor Di Marco | 6-2, 3-6, 10-6 | | detaliu meci | ||
| 31.05.21 | 2-a rundă de calif. | Emil Reinberg | Seita Watanabe | 7-64, 7-5 | | detaliu meci | M15 Monastir | Hard |
| 27.05.21 | a 2-a rundă | Thomas Fancutt | Seita Watanabe | 7-63, 4-6, 6-2 | | detaliu meci | M15 Monastir | Hard |
| 26.05.21 | 1-a rundă | Seita Watanabe | Mauro De Maio | 6-3, 6-3 | | detaliu meci | ||
| 24.05.21 | 2-a rundă de calif. | Seita Watanabe | Luka Vukovic | 4-6, 6-4, 10-6 | | detaliu meci | ||
| 24.05.21 | Calificare | Seita Watanabe | Savva Polukhin | 7-63, 6-2 | | detaliu meci | ||
| 23.05.21 | 1-a rundă de calif. | Seita Watanabe | Youssef Labbene | 6-1, 6-1 | | detaliu meci | ||
| 19.05.21 | 1-a rundă | Luca Potenza | Seita Watanabe | 6-1, 7-5 | | detaliu meci | M15 Monastir | Hard |
| 17.05.21 | 2-a rundă de calif. | Seita Watanabe | Christian Heaney-Secord | 6-2, 6-0 | | detaliu meci | ||
| 17.05.21 | Calificare | Seita Watanabe | Uisung Park | 6-4, 6-1 | | detaliu meci | ||
| 16.05.21 | 1-a rundă de calif. | Seita Watanabe | Giovanni Agostinetto | 6-3, 6-3 | | detaliu meci | ||
| 09.05.21 | 1-a rundă de calif. | Jacob Brumm | Seita Watanabe | 7-5, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 07.02.21 | 1-a rundă de calif. | Marko Miladinovic | Seita Watanabe | 6-3, 6-3 | | detaliu meci |  M15 Sharm | Hard |
| 31.01.21 | 1-a rundă de calif. | Erik Crepaldi | Seita Watanabe | 6-2, 6-4 | | detaliu meci | M15 Sharm | Hard |
| 04.03.20 | 1-a rundă | Jaroslav Pospisil | Seita Watanabe | 6-3, 6-1 | | detaliu meci | M15 Sharm | Hard |
| 03.03.20 | Calificare | Seita Watanabe | Iancu-Lustinian Ghinda | 6-0, 6-2 | | detaliu meci | ||
| 02.03.20 | 2-a rundă de calif. | Seita Watanabe | Svyatoslav Ilnytskyy | 6-1, 6-3 | | detaliu meci | ||
| 25.02.20 | Calificare | Vladimir Uzhylovsky | Seita Watanabe | 7-5, 6-3 | | detaliu meci | M15 Sharm | Hard |
| 24.02.20 | 2-a rundă de calif. | Seita Watanabe | Maurizio Speziali | 6-2, 6-0 | | detaliu meci | ||
| 19.02.20 | 1-a rundă | Vitaliy Sachko | Seita Watanabe | 6-3, 6-1 | | detaliu meci | M15 Sharm | Hard |
| 18.02.20 | Calificare | Seita Watanabe | Moritz Trocker | 6-0, 6-1 | | detaliu meci | ||
| 17.02.20 | 2-a rundă de calif. | Seita Watanabe | Sahil Gaware | 6-0, 6-2 | | detaliu meci | ||
| 16.02.20 | 1-a rundă de calif. | Seita Watanabe | Denis Parshutin | 6-2, 6-0 | | detaliu meci | ||
| 24.11.19 | 1-a rundă de calif. | Timur Khabibulin | Seita Watanabe | 6-3, 6-3 | | detaliu meci | M15 Nonthaburi | Hard |
| 05.09.19 | a 2-a rundă | Takashi Saito | Seita Watanabe | 6-4, 6-4 | | detaliu meci | M15 Hua | Hard |
| 04.09.19 | 1-a rundă | Seita Watanabe | Arjun Kadhe | 6-2, 6-2 | | detaliu meci | ||
| 03.09.19 | Calificare | Seita Watanabe | Aaron Schmid | 6-3, 6-3 | | detaliu meci | ||
| 02.09.19 | 1-a rundă de calif. | Seita Watanabe | Cameron Green | 6-2, 2-6, 10-7 | | detaliu meci | ||
| 27.08.19 | 1-a rundă de calif. | Seita Watanabe | Bingyu Yu | 6-2, 6-2 | | detaliu meci | M15 Hua | Hard |
| 27.08.19 | Calificare | Billy Harris | Seita Watanabe | 6-2, 6-1 | | detaliu meci | ||
| 21.08.19 | 1-a rundă | Seongchan Hong | Seita Watanabe | 6-1, 6-2 | | detaliu meci | M15 Hua | Hard |
| 20.08.19 | Calificare | Seita Watanabe | Anirudh Chandrasekar | 6-2, 6-3 | | detaliu meci | ||
| 19.08.19 | 1-a rundă de calif. | Seita Watanabe | Bang Shuo Yin | 4-6, 6-1, 10-5 | | detaliu meci | ||
| 26.07.19 | Sfert de finală | Makoto Ochi | Seita Watanabe | 6-4, 7-63 | | detaliu meci | .png){kind=small} M25 Taipei | Hard |
| 24.07.19 | 1-a rundă | Seita Watanabe | Chien-Hsun Lo | 6-2, 6-2 | | detaliu meci | ||
| 24.07.19 | a 2-a rundă | Seita Watanabe | Jonathan Mridha | 7-69, 3-1, Jonathan Mridha - retragere | | detaliu meci | ||
| 23.07.19 | Calificare | Seita Watanabe | Taisei Ichikawa | 7-5, 6-4 | | detaliu meci | ||
| 22.07.19 | 1-a rundă de calif. | Seita Watanabe | Kai-Hsun Chen | 6-1, 6-0 | | detaliu meci | ||
| 17.07.19 | 1-a rundă | Yan Bai | Seita Watanabe | 6-0, 6-2 | | detaliu meci | M25 Taipei | Hard |
| 16.07.19 | Calificare | Seita Watanabe | Ren Nakamura | 4-6, 6-4, 10-5 | | detaliu meci | ||
| 15.07.19 | 1-a rundă de calif. | Seita Watanabe | Mu Fu Tsai | 6-0, 6-0 | | detaliu meci | ||
| 18.06.19 | Calificare | Seong Taek Im | Seita Watanabe | 6-3, 6-75, 14-12 | | detaliu meci | M15 Gimcheon | Hard |
| 17.06.19 | 1-a rundă de calif. | Seita Watanabe | David Barclay | 6-1, 3-0, David Barclay - retragere | | detaliu meci | ||
| 12.06.19 | 1-a rundă | Seong-Gook Oh | Seita Watanabe | 6-74, 6-2, 6-3 | | detaliu meci | M15 Gimcheon | Hard |
| 11.06.19 | Calificare | Seita Watanabe | Hyung-Chan Lim | 6-4, 6-0 | | detaliu meci | ||
| 10.06.19 | 1-a rundă de calif. | Seita Watanabe | Jin Sung Han | 6-1, 6-2 | | detaliu meci | ||
| 06.06.19 | a 2-a rundă | Jung-Woong Na | Seita Watanabe | 6-3, 6-2 | | detaliu meci | M15 Daegu | Hard |
| 05.06.19 | 1-a rundă | Seita Watanabe | Issei Okamura | 6-4, 7-65 | | detaliu meci | ||
| 04.06.19 | Calificare | Seita Watanabe | Seunghun Shin | 6-0, 6-1 | | detaliu meci | ||
| 03.06.19 | 1-a rundă de calif. | Seita Watanabe | Dae-Hee Lee | 6-2, 6-0 | | detaliu meci | ||
| 31.03.19 | 1-a rundă de calif. | Ryota Tanuma | Seita Watanabe | 3-6, 6-1, 12-10 | | detaliu meci | M15 Kashiwa | Hard |
| 20.03.19 | 1-a rundă | Sho Katayama | Seita Watanabe | 6-3, 6-2 | | detaliu meci | M15 Kofu | Hard |
| 18.03.19 | Calificare | Seita Watanabe | Keigo Shimizu | 6-1, 6-1 | | detaliu meci | ||
| 18.03.19 | 1-a rundă de calif. | Seita Watanabe | Shao-Fan Liu | 6-3, 4-6, 11-9 | | detaliu meci | ||
| 12.03.19 | 1-a rundă | Makoto Ochi | Seita Watanabe | 6-1, 6-2 | | detaliu meci | M15 Nishi | Hard |
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