Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF Thailand F4 | 2018/09/22 02:30 | Phongsapak Kerdlaphee v Ho-Gi Kang | 7-5,6-1 |
| ITF Thailand F3 | 2018/09/03 02:00 | Kittirat Kerdlaphee v Phongsapak Kerdlaphee | 7-5,6-4 |
| ITF Thailand F3 | 2018/09/02 02:00 | Phongsapak Kerdlaphee v Tsung-Hao Huang | 6-3,6-2 |
| ITF Thailand F3 | 2018/09/01 05:00 | Phongsapak Kerdlaphee v Wellington Bastos | 6-0,6-0 |
| ITF Thailand F2 | 2018/08/27 02:45 | Kunal Anand v Phongsapak Kerdlaphee | 6-2,7-6 |
| ITF Thailand F2 | 2018/08/26 07:00 | Phongsapak Kerdlaphee v Sam Ryan Ziegann | 6-2,7-5 |
| ITF Thailand F1 | 2018/08/22 04:40 | Jirat Navasirisomboon v Phongsapak Kerdlaphee | 7-5,6-2 |
| ITF Thailand F1 | 2018/08/21 02:00 | Phongsapak Kerdlaphee v Wei-De Lin | 6-7,6-3,6-2 |
| ITF Thailand F4 | 2018/09/22 02:30 | Tianjia Guo v Suthinan Tanthaseraneewat | 4-6,1-6 |
| ITF Thailand F3 | 2018/09/03 02:00 | Suthinan Tanthaseraneewat v Ren Nakamura | 1-6,3-6 |
| ITF Thailand F3 | 2018/09/02 02:00 | Suthinan Tanthaseraneewat v Vorachon Rakpuangchon | 6-2,6-2 |
| ITF Thailand F2 | 2018/08/26 03:30 | Kunal Anand v Suthinan Tanthaseraneewat | 6-3,1-6,6-3 |
| ITF Thailand F2 | 2018/08/25 04:00 | Vorachon Rakpuangchon v Suthinan Tanthaseraneewat | 2-6,5-7 |
| ITF Thailand F1 | 2018/08/20 02:00 | Suthinan Tanthaseraneewat v Tonkla Mulada | 2-6,2-6 |
| ITF Thailand F1 | 2018/08/19 06:05 | Suthinan Tanthaseraneewat v James Ibrahim | 2-6,7-5,6-0 |
| ITF Vietnam F2 | 2018/05/05 06:00 | Suthinan Tanthaseraneewat v Sang-Woo Noh | 3-6,0-6 |