Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| 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 M15 Chiang Rai | 2022/04/03 03:10 | Natthayut Nithithananont v Gunjan Jadhav | 1-6,3-6 |
| ITF M15 Chiang Rai | 2022/06/16 02:00 | Thanapet Chanta v Krittin Koaykul | 6-4,7-6 |
| ITF M15 Chiang Rai | 2022/06/14 01:55 | James Van Herzeele v Krittin Koaykul | 5-7,4-6 |
| ITF M15 Chiang Rai | 2022/06/13 02:00 | Krittin Koaykul v Congsup Congcar | 6-4,6-4 |
| ITF M15 Chiang Rai | 2022/06/12 06:50 | Lakshit Sood v Krittin Koaykul | 1-6,3-6 |
| ITF M25 Chiang Rai | 2022/06/08 06:20 | Rubin Statham v Krittin Koaykul | 6-2,7-6 |
| ITF M25 Chiang Rai | 2022/06/07 03:25 | Chanchai Sookton-Eng v Krittin Koaykul | 6-2,4-6,5-10 |
| ITF M25 Chiang Rai Qual | 2022/06/06 08:50 | Krittin Koaykul v Paras Dahiya | 6-3,6-1 |
| ITF M25 Chiang Rai Qual | 2022/06/05 10:55 | Worarin Kumthonkittikul v Krittin Koaykul | 6-3,3-6,9-11 |