Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/18 02:00 | Natthasith Kunsuwan v Suksumrarn, Thantub | 7-5,3-6,9-11 |
| ITF M15 Chiang Rai Qual | 2022/04/17 02:00 | Suksumrarn, Thantub v Tagashira, Kento | 6-2,7-6 |
| ITF M15 Chiang Rai | 2022/04/12 05:15 | Farren, Connor v Suksumrarn, Thantub | 7-6,3-6,6-4 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/04 04:15 | Suksumrarn, Thantub v Ray Ho | 3-6,6-7 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/02 08:05 | Mathayomchand, Michael v Suksumrarn, Thantub | 2-6,2-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/26 04:50 | Wattanakul, Pol v Suksumrarn, Thantub | 7-6,7-6 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/28 05:00 | Suksumrarn, Thantub v Kalenichenko, Danylo | 6-4,6-2 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/26 05:55 | Suksumrarn, Thantub v Dedthonglang, Peerapat | 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 Crnokrak, Alexander | 3-6,4-6 |
| ITF M15 Chiang Rai | 2022/04/05 05:45 | Orel Kimhi v Issei Okamura | 6-7,7-6,6-2 |
| Canberra, Singles M-ITF-AUS-06A | 2022/03/31 02:45 | Kelly, Dayne v Issei Okamura | 6-0,6-1 |
| Canberra, Singles M-ITF-AUS-06A | 2022/03/29 00:40 | Takeuchi, Kento (1987) v Issei Okamura | 3-6,6-4,4-6 |
| Canberra, Singles M-ITF-AUS-06A | 2022/03/22 03:05 | Takeuchi, Kento (1987) 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 |