Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai Qual | 2022/04/24 11:10 | Jimmy Yang v Teerapat Khantiweerawat | 6-0,6-1 |
| ITF M15 Chiang Rai Qual | 2022/04/17 06:15 | Teerapat Khantiweerawat v Noppadol Noikor | 2-6,2-6 |
| ITF M15 Chiang Rai Qual | 2022/04/10 03:00 | Teerapat Khantiweerawat v Guntinun Sootinun-Opart | 3-6,1-6 |
| ITF M15 Chiang Rai | 2022/04/03 05:00 | Daniil Romanov v Teerapat Khantiweerawat | 6-4,6-3 |
| 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 Monastir | 2021/12/05 11:30 | Alessandro Bellifemine v Natthayut Nithithananont | 6-1,6-0 |
| ITF M15 Monastir | 2021/11/28 09:30 | Antoine Berger v Natthayut Nithithananont | 7-5,6-1 |
| ITF M15 Monastir | 2021/11/21 11:00 | Shohei Chikami v Natthayut Nithithananont | 6-2,6-0 |
| ITF M15 Monastir | 2021/11/14 11:00 | Nikita Volonski v Natthayut Nithithananont | 6-1,6-1 |