Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Nonthaburi Qual | 2019/12/01 04:00 | Krittin Koaykul v Jayden Court | 0-6,1-6 |
| ITF M15 Nonthaburi | 2019/11/25 06:10 | Krittin Koaykul v Young Seok Kim | 6-2,3-6,4-10 |
| ITF M15 Nonthaburi | 2019/11/24 09:05 | Krittin Koaykul v Yuttana Charoenphon | 7-5,4-6,10-2 |
| ITF M15 Meshref | 2019/11/14 08:00 | Krittin Koaykul v Vitaliy Sachko | 4-6,5-7 |
| ITF M15 Meshref | 2019/11/13 08:10 | Krittin Koaykul v Shahbaaz Khan | 6-4,6-4 |
| ITF M15 Meshref | 2019/11/12 08:00 | Krittin Koaykul v Yacoub Makzoume | 7-5,2-6,10-5 |
| ITF M15 Meshref | 2019/11/08 08:00 | Antoine Bellier v Krittin Koaykul | 7-6,6-2 |
| ITF M15 Meshref | 2019/11/07 09:40 | Krittin Koaykul v Ricardo Rodriguez-Pace | 2-6,6-4,6-4 |