Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/08/09 05:35 | Roy Hobbs v Issei Okamura | 2-6,1-6 |
| ITF M15 Jakarta | 2022/08/10 03:40 | Issei Okamura v Shintaro Imai | 0-6,1-6 |
| ITF M15 Jakarta | 2022/08/09 02:00 | Anthony Susanto v Issei Okamura | 1-6,5-7 |
| ITF M15 Jakarta | 2022/08/08 05:20 | Phuc Huynh v Issei Okamura | 1-6,6-4,4-10 |
| ITF M15 Jakarta | 2022/08/07 01:55 | Jeremy Nahor v Issei Okamura | 0-6,0-6 |
| ITF M25 Harmon | 2022/06/09 01:40 | Rio Noguchi v Issei Okamura | 1-6,6-3,6-1 |
| ITF M25 Harmon | 2022/06/08 01:20 | Daiki Yoshimura v Issei Okamura | 3-6,7-6,4-6 |
| ITF M25 Harmon | 2022/05/31 00:00 | Issei Okamura v Geun Jun Kim | 6-7,7-5,4-6 |
| ITF M15 Chiang Rai | 2022/04/19 02:00 | Thantub Suksumrarn v Issei Okamura | 6-3,7-6 |
| ITF M15 Chiang Rai | 2022/04/03 07:30 | Anapat Timangkul v Roy Hobbs | 4-6,6-3,10-5 |
| ITF M15 Sharm El Sheikh | 2022/03/27 09:00 | Roy Hobbs v Dominik Recek | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2022/03/21 07:30 | Ainius Sabaliauskas v Roy Hobbs | 4-6,6-4,10-8 |
| ITF M15 Sharm El Sheikh | 2022/03/13 11:30 | Lev Levyatov v Roy Hobbs | 6-4,2-6,10-7 |
| ITF M15 Sharm El Sheikh | 2022/03/06 10:30 | Vlad Stoica v Roy Hobbs | 2-6,7-5,14-12 |
| ITF M15 Sharm El Sheikh | 2022/02/27 07:00 | Saba Purtseladze v Roy Hobbs | 6-3,6-0 |
| ITF M15 Sharm El Sheikh | 2021/11/14 14:30 | Roy Hobbs v Vladislav Gorbatenko | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/31 13:30 | Krittin Koaykul v Roy Hobbs | 7-6,6-4 |