Nombre: Issei Okamura
País: Japan
Fecha de nacimiento: 26.05.92, 34 años
ATP ranking: 870
TOP posición de la clasificación: 574 (08.08.16, 55 puntos)
Puntos: 15
Dinero del premio: 70660 $
Partidos totales: 516
ganar: 246
%: 47.67 %
País: Japan
Fecha de nacimiento: 26.05.92, 34 años
ATP ranking: 870
TOP posición de la clasificación: 574 (08.08.16, 55 puntos)
Puntos: 15
Dinero del premio: 70660 $
Partidos totales: 516
ganar: 246
%: 47.67 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2025 | 19/20 | 19/16 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2024 | 24/27 | 22/22 | 2/3 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2023 | 18/24 | 17/18 | 0/4 | 1/2 | 0/0 | 0/0 | 0/0 |
| 2022 | 12/14 | 11/12 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 8/10 | 8/8 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 11/11 | 11/11 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 18/26 | 13/22 | 1/2 | 0/0 | 0/0 | 4/2 | 0/0 |
| 2018 | 28/27 | 23/21 | 4/4 | 1/1 | 0/1 | 0/0 | 0/0 |
| 2017 | 14/32 | 11/19 | 2/8 | 0/2 | 1/3 | 0/0 | 0/0 |
| 2016 | 33/33 | 19/22 | 13/7 | 0/2 | 1/2 | 0/0 | 0/0 |
| 2015 | 40/27 | 31/21 | 9/5 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2014 | 7/10 | 5/5 | 0/2 | 0/1 | 2/2 | 0/0 | 0/0 |
| 2013 | 12/7 | 12/6 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2012 | 2/2 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 246/270 | 203/204 | 33/42 | 2/13 | 4/9 | 4/2 | 0/0 |
| porc. % | 47.67 % | 49.88 % | 44 % | 13.33 % | 30.77 % | 66.67 % | 0 % |
Issei Okamura / programado / pasado
| No se encontraron partidos |
Issei Okamura form / año 2016 / superficie: Arcilla
Issei Okamura / año 2016 / superficie: Arcilla
| 23.07.16 | fin | Thomas Fancutt | Issei Okamura | 6-2, 6-4 |  | match details |  China F13 | Arcilla |
| 22.07.16 | 1/2 | Issei Okamura | Ryota Tanuma | 6-3, 7-65 |  | match details | ||
| 20.07.16 | 2da ronda | Issei Okamura | Koichi Sano | 6-0, 6-2 | | match details | ||
| 20.07.16 | 1/4 | Issei Okamura | Ranjeet Virali-Murugesan | 6-4, 6-3 | | match details | ||
| 19.07.16 | 1er ronda | Issei Okamura | Ye Cong Mo | 6-2, 6-3 | | match details | ||
| 16.07.16 | 1/2 | Kuan-Yi Lee | Issei Okamura | 7-62, 6-4 | | match details | China F12 | Arcilla |
| 15.07.16 | 1/4 | Issei Okamura | Mitchell William Robins | 6-3, 5-7, 6-1 | | match details | ||
| 14.07.16 | 2da ronda | Issei Okamura | Seungri Choi | 6-2, 6-78, 7-65 | | match details | ||
| 12.07.16 | 1er ronda | Issei Okamura | Wei-De Lin | 6-1, 6-4 | | match details | ||
| 09.07.16 | 1/2 | Bastian Trinker | Issei Okamura | 6-3, 6-4 | | match details | China F11 | Arcilla |
| 08.07.16 | 1/4 | Issei Okamura | Rigele Te | 6-3, 6-4 | | match details | ||
| 06.07.16 | 2da ronda | Issei Okamura | Kazuma Kawachi | 6-3, 6-3 | | match details | ||
| 05.07.16 | 1er ronda | Issei Okamura | Wen-Chun Liang | 6-3, 6-4 | | match details | ||
| 31.05.16 | 1er ronda | Ko Suzuki | Issei Okamura | 6-1, 6-3 | | match details |  Japan F6 | Arcilla |
| 16.05.16 | 1er ronda | Ryota Tanuma | Issei Okamura | 6-0, 6-3 | | match details |  Spain F14 | Arcilla |
| 12.05.16 | 2da ronda | Juan Lizariturry | Issei Okamura | 7-5, 7-5 | | match details | Spain F13 | Arcilla |
| 11.05.16 | 1er ronda | Issei Okamura | Andrey Chepelev | 3-6, 6-4, 7-65 | | match details | ||
| 09.05.16 | c 2 | Issei Okamura | Adria Vila-Rutllant | 6-1, 6-3 | | match details | ||
| 09.05.16 | c 1 | Issei Okamura | Brandon Levendale | 6-2, 6-1 | | match details | ||
| 09.05.16 | calif. | Thibault Cancel | Issei Okamura | 4-6, 7-5, 6-4 | | match details |