Stadium: Hard 21 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/28 05:00 | Colin Markes v Makoto Ochi | 6-7,7-6,3-6 |
| ITF M15 Chiang Rai | 2022/04/27 06:05 | Sidharth Rawat v Colin Markes | 6-7,6-7 |
| ITF M15 Chiang Rai | 2022/04/26 01:55 | Colin Markes v Thantub Suksumrarn | 6-1,6-4 |
| ITF M15 Chiang Rai | 2022/04/25 02:00 | Colin Markes v Mitchell Harper | 6-2,6-3 |
| ITF M15 Chiang Rai Qual | 2022/04/24 03:40 | Colin Markes v Alec Beckley | 6-3,6-4 |
| ITF M15 Chiang Rai | 2022/04/21 03:25 | Colin Markes v Konstantin Kravchuk | 2-6,2-6 |
| ITF M15 Chiang Rai | 2022/04/20 03:30 | Colin Markes v Pruchya Isarow | 6-2,7-5 |
| ITF M15 Chiang Rai | 2022/04/19 04:35 | Colin Markes v Runhao Hua | 6-3,6-2 |
| ITF M15 Chiang Rai | 2022/04/28 07:25 | Ryota Tanuma v Shinji Hazawa | 6-4,3-6,6-1 |
| ITF M15 Chiang Rai | 2022/04/26 03:45 | Shinji Hazawa v Calum Puttergill | 6-3,6-1 |
| ITF M15 Chiang Rai | 2022/04/25 07:00 | Shinji Hazawa v Congsup Congcar | 6-1,6-4 |
| ITF M15 Chiang Rai Qual | 2022/04/24 09:25 | Shinji Hazawa v Worarin Kumthonkittikul | 6-3,6-4 |
| ITF M15 Chiang Rai | 2022/04/21 04:55 | Rubin Statham v Shinji Hazawa | 7-6,6-4 |
| ITF M15 Chiang Rai | 2022/04/20 04:50 | Chanchai Sookton-Eng v Shinji Hazawa | 4-6,1-6 |
| ITF M15 Chiang Rai | 2022/04/18 04:10 | Noppadol Noikor v Shinji Hazawa | 3-6,4-6 |
| ITF M15 Chiang Rai Qual | 2022/04/17 09:40 | Asaf Friedler v Shinji Hazawa | 4-6,3-6 |