Stadium: Court 6 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/06/17 02:00 | Palaphoom Kovapitukted v Thantub Suksumrarn | 6-7,5-7 |
| ITF M15 Chiang Rai | 2022/06/16 05:15 | Yuttana Charoenphon v Thantub Suksumrarn | 4-6,4-6 |
| ITF M15 Chiang Rai | 2022/06/16 02:00 | Thantub Suksumrarn v Yuki Mochizuki | 6-3,6-2 |
| ITF M15 Chiang Rai | 2022/06/14 01:55 | Guntinun Sootinun-Opart v Thantub Suksumrarn | 1-6,2-6 |
| ITF M15 Chiang Rai | 2022/06/13 06:40 | Rajata Thamcharoensatit v Thantub Suksumrarn | 2-6,2-6 |
| ITF M15 Chiang Rai | 2022/06/12 09:25 | Mungmun Ohmarak v Thantub Suksumrarn | 0-6,2-6 |
| ITF M25 Chiang Rai | 2022/06/01 04:35 | Rubin Statham v Thantub Suksumrarn | 6-1,6-1 |
| ITF M15 Chiang Rai | 2022/04/26 01:55 | Colin Markes v Thantub Suksumrarn | 6-1,6-4 |
| ITF M15 Chiang Rai | 2022/06/16 06:15 | Shintaro Imai v Shinji Hazawa | 6-2,6-4 |
| ITF M15 Chiang Rai | 2022/06/15 02:00 | Shintaro Imai v Chanchai Sookton-Eng | 6-4,6-3 |
| ITF M25 Chiang Rai | 2022/06/12 02:00 | Bu Yunchaokete v Shintaro Imai | 6-3,7-5 |
| ITF M25 Chiang Rai | 2022/06/11 02:00 | Shintaro Imai v Shinji Hazawa | 6-1,6-2 |
| ITF M25 Chiang Rai | 2022/06/10 02:00 | Fajing Sun v Shintaro Imai | 4-6,3-6 |
| ITF M25 Chiang Rai | 2022/06/09 03:30 | Taisei Ichikawa v Shintaro Imai | 5-7,7-5,2-6 |
| ITF M25 Chiang Rai | 2022/06/08 05:40 | Kento Takeuchi v Shintaro Imai | 3-6,6-7 |
| ITF M25 Chiang Rai | 2022/06/03 02:00 | Shintaro Imai v Konstantin Kravchuk | 6-7,3-6 |