Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF Thailand F9 | 2018/11/13 04:40 | Mikhail Fufygin v Phongsapak Kerdlaphee | 6-1,6-2 |
| ITF Thailand F8 | 2018/11/06 03:25 | Phongsapak Kerdlaphee v Palaphoom Kovapitukted | 4-6,2-6 |
| ITF Thailand F8 | 2018/11/05 02:00 | Phongsapak Kerdlaphee v Alexander Donski | 6-7,6-2,7-6 |
| ITF Thailand F8 | 2018/11/03 02:00 | Phongsapak Kerdlaphee v Krittin Koaykul | 6-2,6-4 |
| ITF Thailand F7 | 2018/10/27 02:00 | Phongsapak Kerdlaphee v Shonigmatjon Shofayziyev | 6-7,6-7 |
| ITF Thailand F5 | 2018/10/01 02:30 | Phongsapak Kerdlaphee v Chayanon Kaewsuto | 3-6,6-7 |
| ITF Thailand F5 | 2018/09/30 02:30 | Maxence Broville v Phongsapak Kerdlaphee | 3-6,6-3,4-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Felix Corwin v Phongsapak Kerdlaphee | 6-2,6-4 |