Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Al Zahra | 2022/10/26 07:00 | Isarow, Pruchya v Natthasith Kunsuwan | 7-6,6-3 |
| ITF M25 Chiang Rai | 2022/06/07 06:30 | Natthasith Kunsuwan v Isarow, Pruchya | 4-6,6-3,2-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/06/05 05:10 | Ryotaro Taguchi v Natthasith Kunsuwan | 6-0,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/06/01 02:00 | Natthasith Kunsuwan v Orel Kimhi | 3-6,3-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2023/04/05 11:05 | Ray Ho v Natthasith Kunsuwan | 6-3,6-4 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2023/04/03 08:00 | Ha Minh Duc Vu v Natthasith Kunsuwan | 0-6,4-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2023/04/02 01:55 | Adam Hobbs v Natthasith Kunsuwan | 0-6,3-6 |
| Challenger Nonthaburi | 2023/01/01 06:35 | Natthasith Kunsuwan v Evgeny Donskoy | 3-6,3-6 |
| ITF M15 Al Zahra | 2022/11/02 08:25 | Edouard Villoslada v Natthasith Kunsuwan | 6-0,6-4 |
| ITF M15 Al Zahra | 2022/11/01 08:10 | Natthasith Kunsuwan v Joan Nadal Vives | 6-4,6-2 |
| ITF M25 Nakhon Si Thammarat | 2023/06/12 04:40 | Isarow, Pruchya v Dev Javia | 2-6,6-4,12-10 |
| ITF M25 Nakhon Si Thammarat | 2023/06/11 06:45 | Isarow, Pruchya v Poonthong Komopisut | 6-1,6-1 |
| ITF M25 Jakarta | 2023/06/08 02:00 | Isarow, Pruchya v Jason Jung | 3-6,3-6 |
| ITF M25 Jakarta | 2023/06/07 04:45 | Millen Hurrion v Isarow, Pruchya | 1-6,6-7 |
| ITF M25 Jakarta | 2023/06/06 02:00 | Isarow, Pruchya v Luke Sorensen | 6-2,7-6 |
| ITF M25 Jakarta | 2023/06/05 02:00 | Isarow, Pruchya v Hugh Callaghan | 6-3,6-2 |
| ITF M25 Jakarta | 2023/05/31 03:35 | Isarow, Pruchya v M Rifqi, Fitriadi | 4-6,1-6 |
| ITF M25 Jakarta | 2023/05/30 02:00 | Isarow, Pruchya v Malik, Anuj | 6-1,6-2 |