| ITF Thailand F1 | 2017/06/03 03:00 | Nattan Benjasupawan v Thanapet Chanta | 2-6,6-4,2-6 |
| ITF Thailand F1 | 2017/06/03 07:00 | Werapath Sirijatiyaporn v Natthasith Kunsuwan | 1-6,4-6 |
| Challenger Bangkok Qual | 2016/12/31 04:45 | Natthasith Kunsuwan v Albano Olivetti | 1-6,4-6 |
| ITF Thailand F5 | 2016/12/17 06:00 | Yan Sabanin v Natthasith Kunsuwan | 6-4,6-4 |
| ITF Thailand F5 | 2016/12/17 03:30 | Natthasith Kunsuwan v Congsup Congcar | 7-5,7-6 |
| ITF Thailand F4 | 2016/12/10 09:00 | Natthasith Kunsuwan v Andrei Levine | 5-7,4-6 |
| ITF Thailand F4 | 2016/12/10 04:30 | Natthasith Kunsuwan v Nutdanai Sincharoenwattana | 6-2,6-2 |
| ITF Thailand F3 | 2016/09/05 03:00 | Issei Okamura v Natthasith Kunsuwan | 6-2,6-4 |
| Challenger Bangkok 4 | 2016/08/27 04:00 | Natthasith Kunsuwan v Toshihide Matsui | 0-6,4-6 |