Stadium: Court 6 Round: 44
| ITF Thailand F6 | 2018/10/06 05:30 | Roy Hobbs v Michael Mathayomchand | 5-7,6-3,6-3 |
| ITF Thailand F5 | 2018/09/29 02:30 | Dalwinder Singh v Michael Mathayomchand | 6-3,6-0 |
| ITF Thailand F6 | 2018/10/10 03:00 | Krittin Koaykul v Matic Spec | 0-6,1-6 |
| ITF Thailand F6 | 2018/10/08 03:30 | Yuttana Charoenphon v Krittin Koaykul | 6-7,2-6 |
| ITF Thailand F5 | 2018/10/02 05:05 | Kento Takeuchi v Krittin Koaykul | 6-2,6-3 |
| ITF Thailand F4 | 2018/09/25 04:10 | Krittin Koaykul v Pruchya Isarow | 1-6,2-6 |
| ITF Thailand F3 | 2018/09/05 02:00 | Krittin Koaykul v Kento Takeuchi | 4-6,6-7 |
| ITF Thailand F3 | 2018/09/02 02:00 | Sam Ryan Ziegann v Krittin Koaykul | 6-7,1-6 |
| ITF Thailand F3 | 2018/09/01 05:00 | Krittin Koaykul v Thammarat Kamchai | 6-2,6-1 |
| ITF Thailand F2 | 2018/08/28 02:00 | Krittin Koaykul v Thomas Fancutt | 1-6,6-7 |