Stadium: Court 2 Round: 44
| 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 |
| ITF Thailand F12 Qual | 2017/12/09 03:00 | Pavle Daljev v Suthinan Tanthaseraneewat | 4-6,6-3,6-4 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Suthinan Tanthaseraneewat v Philipp Davydenko | 1-6,5-7 |
| ITF Thailand F3 | 2018/09/02 02:00 | Kasidit Samrej v Ren Nakamura | 4-6,5-7 |
| ITF Thailand F2 | 2018/08/26 03:30 | Naru Shirafuji v Ren Nakamura | 6-1,6-3 |
| ITF Thailand F2 | 2018/08/25 04:00 | Thammarat Kamchai v Ren Nakamura | 4-6,0-6 |
| ITF Korea F5 | 2018/08/21 01:00 | Ren Nakamura v Ji Hoon Son | 6-4,4-6,3-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Ren Nakamura v Ki Su Jung | 6-2,6-0 |
| ITF Korea F5 | 2018/08/18 01:00 | Ren Nakamura v Mingyuan Yang | 6-1,6-0 |
| ITF Korea F4 | 2018/08/13 03:00 | Ren Nakamura v Tae-Woo Lee | 1-6,1-6 |
| ITF Austria F5 Qual | 2018/07/29 10:30 | Ren Nakamura v Vital Flurin Leuch | 6-3,6-7,4-6 |