Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/18 02:00 | Natthasith Kunsuwan v Thantub Suksumrarn | 7-5,3-6,9-11 |
| ITF M15 Chiang Rai Qual | 2022/04/17 02:00 | Thantub Suksumrarn v Kento Tagashira | 6-2,7-6 |
| ITF M15 Chiang Rai | 2022/04/12 05:15 | Connor Farren v Thantub Suksumrarn | 7-6,3-6,6-4 |
| ITF M25 Nonthaburi | 2020/02/04 04:15 | Thantub Suksumrarn v Ray Ho | 3-6,6-7 |
| ITF M25 Nonthaburi | 2020/02/02 08:05 | Michael Mathayomchand v Thantub Suksumrarn | 2-6,2-6 |
| ITF M25 Nonthaburi | 2020/01/26 04:50 | Pol Wattanakul v Thantub Suksumrarn | 7-6,7-6 |
| ITF M15 Nonthaburi | 2019/11/28 05:00 | Thantub Suksumrarn v Danylo Kalenichenko | 6-4,6-2 |
| ITF M15 Nonthaburi | 2019/11/26 05:55 | Thantub Suksumrarn v Peerapat Dedthonglang | 6-2,6-0 |
| ITF M15 Chiang Rai | 2022/04/18 05:45 | Suphawat Saeoui v Issei Okamura | 4-6,2-6 |
| ITF M15 Chiang Rai Qual | 2022/04/17 12:10 | Issei Okamura v Ishaque Eqbal | 6-4,3-6,10-4 |
| ITF M15 Chiang Rai Qual | 2022/04/10 13:10 | Issei Okamura v Alexander Crnokrak | 3-6,4-6 |
| ITF M15 Chiang Rai | 2022/04/05 05:45 | Orel Kimhi v Issei Okamura | 6-7,7-6,6-2 |
| ITF M25 Canberra | 2022/03/31 02:45 | Dayne Kelly v Issei Okamura | 6-0,6-1 |
| ITF M25 Canberra | 2022/03/29 00:40 | Kento Takeuchi v Issei Okamura | 3-6,6-4,4-6 |
| ITF M25 Canberra | 2022/03/22 03:05 | Kento Takeuchi v Issei Okamura | 5-7,6-2,6-2 |
| ITF M15 Telavi | 2021/08/03 07:45 | Issei Okamura v Aleksandre Bakshi | 6-7,3-6 |