| ITF Thailand F2 | 2016/08/29 03:00 | Renta Tokuda v Issei Okamura | 6-4,6-1 |
| ITF Thailand F4 | 2016/08/25 03:00 | Ti Chen v Issei Okamura | 6-1,6-0 |
| ITF Thailand F4 | 2016/08/24 03:00 | Phassawit Bura'ritta v Issei Okamura | 3-6,4-6 |
| ITF Thailand F4 | 2016/08/22 03:00 | Issei Okamura v N. Vijay Sundar Prashanth | 6-2,4-6,6-4 |
| ITF China F13 | 2016/07/23 02:30 | Issei Okamura v Thomas Fancutt | 2-6,4-6 |
| ITF China F13 | 2016/07/22 05:20 | Ryota Tanuma v Issei Okamura | 3-6,6-7 |
| ITF China F13 | 2016/07/21 02:30 | Issei Okamura v Ranjeet Virali-Murugesan | 6-4,6-3 |
| ITF China F13 | 2016/07/20 02:30 | Issei Okamura v Koichi Sano | 6-0,6-2 |
| Challenger Bangkok 4 | 2016/08/27 04:00 | Natthasith Kunsuwan v Toshihide Matsui | 0-6,4-6 |
| ITF Thailand F4 | 2016/08/21 03:00 | Ken Onishi v Natthasith Kunsuwan | 6-4,6-2 |
| ITF Thailand F4 | 2016/08/20 06:00 | Natthasith Kunsuwan v Pedro Scocuglia | 5-7,7-6,6-1 |
| ITF Thailand F9 | 2015/11/21 05:00 | Natthasith Kunsuwan v Vorachon Rakpuangchon | 1-6,4-6 |
| ITF Thailand F9 | 2015/08/08 03:00 | Chayanon Kaewsuto v Natthasith Kunsuwan | 6-3,6-2 |
| ITF Thailand F9 | 2015/06/13 05:00 | Dae-Hee Lee v Natthasith Kunsuwan | 6-0,6-1 |