Stadium: Court 1 Round: 19 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai Qual | 2022/06/19 03:00 | Natthayut Nithithananont v Krittin Koaykul | 2-6,6-7 |
| ITF M15 Chiang Rai | 2022/06/12 04:30 | Chuhan Wang v Natthayut Nithithananont | 6-1,6-2 |
| ITF M25 Chiang Rai Qual | 2022/06/05 11:05 | Arjun Mehrotra v Natthayut Nithithananont | 6-4,6-2 |
| ITF M25 Chiang Rai | 2022/05/30 06:40 | Natthasith Kunsuwan v Natthayut Nithithananont | 6-2,6-4 |
| ITF M25 Chiang Rai | 2022/05/29 07:05 | Teerapat Khantiweerawat v Natthayut Nithithananont | 4-6,4-6 |
| ITF M15 Chiang Rai | 2022/04/25 01:50 | Rishab Agarwal v Natthayut Nithithananont | 6-1,6-2 |
| ITF M15 Chiang Rai Qual | 2022/04/24 01:55 | Natthayut Nithithananont v Taentawan T M Maggioli | 1-6,6-2,10-8 |
| ITF M15 Chiang Rai Qual | 2022/04/17 03:00 | Natthayut Nithithananont v Suphawat Saeoui | 3-6,0-6 |
| ITF M25 Tay Ninh | 2022/10/02 05:30 | Chanon Phunsawat v Tushar Madan | 6-4,6-7,5-10 |
| ITF M15 Monastir | 2022/06/19 10:00 | Chanon Phunsawat v Daiki Yoshimura | 3-6,4-6 |
| ITF M15 Monastir | 2022/06/12 10:30 | Chanon Phunsawat v Joshua Charlton | 3-6,2-6 |
| ITF M25 La Nucia | 2022/05/29 08:30 | Alejandro Garcia v Chanon Phunsawat | 6-0,6-3 |
| ITF M25 Reus | 2022/04/04 07:30 | Chanon Phunsawat v Marc Othman Ktiri | 0-6,5-7 |
| ITF M15 Palmanova | 2022/03/20 11:30 | Chanon Phunsawat v Nicolas Parizzia | 1-6,1-6 |
| ITF M15 Palmanova | 2022/03/13 10:00 | Chanon Phunsawat v Nicolas Parizzia | 1-6,6-7 |
| ITF M15 Torello | 2022/02/27 08:30 | Chanon Phunsawat v Gerard Planelles Ripoll | 5-7,1-6 |