Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF M15 - Chiang Rai - Kval | 2022/06/19 02:00 | Guntinun Sootinun-Opart v Chandril Sood | 6-2,6-2 |
| 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 02:00 | Chuhan Wang v Guntinun Sootinun-Opart | 3-6,6-3,10-12 |
| ITF M15 - Chiang Rai | 2022/06/12 05:05 | Pumiphat Sukkho v Guntinun Sootinun-Opart | 3-6,1-6 |
| ITF M25 - Chiang Rai | 2022/06/07 03:55 | Pawit Sornlaksup v Guntinun Sootinun-Opart | 6-2,6-3 |
| ITF M25 - Chiang Rai - Kval | 2022/06/05 02:00 | Patorn Hanchaikul v Guntinun Sootinun-Opart | 4-6,6-2,7-10 |
| ITF M25 - Chiang Rai | 2022/06/01 06:00 | Guntinun Sootinun-Opart v Kasidit Samrej | 2-6,5-7 |
| ITF M25 - Chiang Rai | 2022/05/31 04:15 | Arjun Mehrotra v Guntinun Sootinun-Opart | 4-6,6-3,8-10 |
| ITF M15 - Chiang Rai - Kval | 2022/06/19 06:15 | Poonthong Komopisut v Fabian Hansch Mauritzson | 6-3,6-3 |