Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF Thailand F8 | 2018/11/03 04:30 | Michael Mathayomchand v Vladislav Dubinsky | 3-6,6-7 |
| ITF Thailand F7 | 2018/10/27 02:00 | Michael Mathayomchand v Krittin Koaykul | 3-6,5-7 |
| 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 M25 Nonthaburi | 2019/05/20 03:00 | Gregory Nitayamekin v Chanchai Sookton-Eng | 0-6,0-6 |
| ITF Thailand F5 | 2018/09/29 07:30 | Nawakarn Khunjan v Gregory Nitayamekin | 6-0,6-0 |
| ITF Thailand F4 | 2018/09/22 02:30 | Delf Gohlke v Gregory Nitayamekin | 6-0,6-3 |
| ITF Thailand F3 | 2018/09/02 02:00 | Prachaya Baibong v Gregory Nitayamekin | 6-0,6-0 |
| ITF Thailand F1 | 2018/08/19 05:00 | Worarin Kumthonkittikul v Gregory Nitayamekin | 6-1,6-0 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Alex Hunt v Gregory Nitayamekin | 6-2,6-2 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 03:30 | Gregory Nitayamekin v Yi Jui Lo | 0-6,0-6 |
| ITF China F6 Qual | 2018/05/12 04:15 | Gregory Nitayamekin v Yong Jia Cai | 2-6,1-6 |