| ITF Thailand F4 |
08/01 06:00 |
25 |
Issei Okamura
v
Calum Puttergill
|
5-7,6-0,4-6
|
|
| ITF China F14 |
07/28 03:00 |
27 |
Nikola Milojevic
v
Issei Okamura
|
6-2,6-1
|
|
| ITF China F14 |
07/26 02:00 |
26 |
Alcantara, Francis Casey
v
Issei Okamura
|
6-4,5-7,2-6
|
|
| ITF China F14 |
07/24 08:15 |
25 |
Issei Okamura
v
Takeuchi, Kento (1987)
|
6-2,6-2
|
|
| ITF China F13 |
07/18 07:05 |
25 |
Hung, Jui-Chen
v
Issei Okamura
|
6-4,6-2
|
|
| ITF Guam F1 |
06/21 02:30 |
25 |
Suzuki, Takao
v
Issei Okamura
|
7-5,6-4
|
|
| ITF Japan F8 |
06/13 01:30 |
25 |
Takeshima, Shunrou
v
Issei Okamura
|
6-3,7-5
|
|
| ITF Japan F7 |
06/07 03:35 |
26 |
Issei Okamura
v
Inoue, Haru
|
6-7,2-6
|
|
| ITF Japan F7 |
06/06 02:40 |
25 |
Shiga, Masato
v
Issei Okamura
|
Retired
|
|
| ITF Japan F6 |
05/30 03:55 |
25 |
Takeuchi, Kento (1987)
v
Issei Okamura
|
7-6,6-3
|
|
| ITF Singapore F1 |
05/25 02:00 |
25 |
Issei Okamura
v
Kazuki Nishiwaki
|
6-7,1-6
|
|
| ITF China F7 |
05/16 07:00 |
25 |
Issei Okamura
v
Yusuke Takahashi
|
7-5,2-6,4-6
|
|
| ITF China F6 |
05/10 06:05 |
26 |
Kelly, Dayne
v
Issei Okamura
|
6-4,6-3
|
|
| ITF China F6 |
05/08 05:30 |
25 |
Ruikai Wang
v
Issei Okamura
|
3-6,1-6
|
|
| Challenger Anning Qual |
04/22 03:35 |
45 |
Issei Okamura
v
Molchanov, Denys
|
6-4,3-6,4-6
|
|
| Challenger Taipei Qual |
04/17 04:35 |
54 |
Roelofse, Ruan
v
Issei Okamura
|
6-4,6-2
|
|
| Challenger Taipei Qual |
04/16 05:55 |
46 |
Liu, Shao-Fan
v
Issei Okamura
|
6-7,6-4,3-6
|
|
| ITF Japan F5 |
04/04 00:30 |
25 |
Issei Okamura
v
Suzuki, Takao
|
6-7,3-6
|
|
| ITF Japan F4 |
03/28 03:00 |
25 |
Kaito Uesugi
v
Issei Okamura
|
6-3,6-3
|
|
| ITF Japan F3 |
03/22 06:00 |
26 |
Vinsant, Shane
v
Issei Okamura
|
6-2,6-3
|
|
| ITF Japan F3 |
03/20 02:35 |
25 |
Daisuke Sumizawa
v
Issei Okamura
|
2-6,2-6
|
|
| ITF Japan F2 |
03/13 04:00 |
25 |
Issei Okamura
v
Nam Hoang Ly
|
2-6,2-6
|
|
| ITF Japan F1 |
03/07 02:30 |
25 |
Issei Okamura
v
Yuki Mochizuki
|
2-6,4-6
|
|
| ITF China F3 |
03/01 07:35 |
26 |
Issei Okamura
v
Bortolotti, Marco
|
3-6,5-7
|
|
| ITF China F3 |
02/28 02:00 |
25 |
Issei Okamura
v
Wang, Chuhan
|
Retired
|
|
| ITF China F2 |
02/23 03:00 |
26 |
Issei Okamura
v
Statham, Rubin
|
1-6,3-6
|
|
| ITF China F2 |
02/21 02:00 |
25 |
Silva, Caio
v
Issei Okamura
|
1-6,0-6
|
|
| ITF China F1 |
02/15 02:00 |
25 |
Petrovic, Danilo
v
Issei Okamura
|
6-3,6-2
|
|
| Launceston, Australia |
02/04 01:25 |
46 |
Issei Okamura
v
Itzstein, Zach
|
6-3,4-6,6-7
|
|
| Challenger - Burnie - Qualifications |
01/28 04:10 |
46 |
Propoggia, Dane
v
Issei Okamura
|
6-4,6-2
|
|