Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Chiang Rai | 2022/06/02 05:05 | Rubin Statham v Natthasith Kunsuwan | 2-6,7-5,6-4 |
| ITF M25 Chiang Rai | 2022/05/31 03:00 | Natthasith Kunsuwan v Theertha Shashank Macherla | 6-4,4-6,11-9 |
| ITF M25 Chiang Rai | 2022/05/30 06:40 | Natthasith Kunsuwan v Natthayut Nithithananont | 6-2,6-4 |
| ITF M15 Chiang Rai | 2022/04/27 08:20 | Kazuma Kawachi v Natthasith Kunsuwan | 6-3,6-1 |
| 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 | Kazuma Kawachi v Natthasith Kunsuwan | 6-3,6-7,7-10 |
| ITF M15 Chiang Rai Qual | 2022/04/10 04:20 | Natthasith Kunsuwan v Digvijay Pratap Singh | 7-6,0-6,10-12 |
| ITF M25 Monastir | 2022/03/28 09:00 | Alexis Boureau v Natthasith Kunsuwan | 6-3,6-0 |
| ITF M25 Chiang Rai | 2022/05/31 06:25 | Pruchya Isarow v Yuki Mochizuki | 6-7,3-6 |
| ITF M15 Chiang Rai | 2022/04/20 03:30 | Colin Markes v Pruchya Isarow | 6-2,7-5 |
| ITF M15 Chiang Rai | 2022/04/13 02:00 | Amaury Raynel v Pruchya Isarow | 7-6,6-1 |
| ITF M15 Chiang Rai | 2022/04/03 04:45 | Geun Jun Kim v Pruchya Isarow | 7-6,6-2 |
| Challenger Bangkok 1A | 2019/02/18 08:35 | Stephane Robert v Pruchya Isarow | 3-6,6-1,6-3 |
| Challenger Da Nang | 2019/01/06 03:00 | Pruchya Isarow v Manish Sureshkumar | 5-7,3-6 |
| ITF Thailand F9 | 2018/11/13 05:00 | Yu Hsiou Hsu v Pruchya Isarow | 7-5,6-4 |
| ITF Thailand F8 | 2018/11/05 08:55 | Pruchya Isarow v Takashi Saito | 3-6,4-6 |