Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/25 03:40 | Krittin Koaykul v Runhao Hua | 6-4,1-6,4-10 |
| ITF M15 Chiang Rai Qual | 2022/04/17 07:55 | Krittin Koaykul v Alexander Crnokrak | 1-6,7-5,7-10 |
| ITF M15 Chiang Rai Qual | 2022/04/10 06:55 | Colin Markes v Krittin Koaykul | 6-4,1-6,11-9 |
| ITF M15 Chiang Rai | 2022/04/06 06:35 | Krittin Koaykul v Konstantin Kravchuk | 3-6,4-6 |
| ITF M25 Canberra | 2022/03/27 23:00 | Hien Q H Pham v Krittin Koaykul | 6-4,6-0 |
| ITF M25 Canberra | 2022/03/26 22:00 | Timothy Gray v Krittin Koaykul | 4-6,4-6 |
| ITF M25 Canberra | 2022/03/22 01:10 | Chanchai Sookton-Eng v Krittin Koaykul | 6-2,6-4 |
| ITF M25 Canberra | 2022/03/20 23:00 | Krittin Koaykul v Thomas Nicholas Gadecki | 6-4,6-4 |
| ITF M25 Chiang Rai | 2022/05/29 03:30 | Sirathee Chimoye v Wongwarun Wongcharoen | 6-0,6-2 |