Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF Thailand F5 | 2018/10/01 02:30 | Felix Corwin v Daisuke Sumizawa | 6-1,6-2 |
| ITF Thailand F5 | 2018/09/30 02:30 | Daisuke Sumizawa v Thanapet Chanta | 2-6,7-5,6-2 |
| ITF Thailand F5 | 2018/09/29 02:30 | Daisuke Sumizawa v Cheong Hwi Kim | 6-4,6-1 |
| ITF Thailand F4 | 2018/09/25 06:00 | Yuichi Ito v Daisuke Sumizawa | 6-2,6-3 |
| ITF Thailand F4 | 2018/09/24 02:30 | Daisuke Sumizawa v Worarin Kumthonkittikul | 6-7,6-2,6-1 |
| ITF Thailand F4 | 2018/09/23 04:00 | Roy Hobbs v Daisuke Sumizawa | 4-6,2-6 |
| ITF Korea F6 | 2018/08/28 02:00 | Oh-Hee Kwon v Daisuke Sumizawa | 6-1,6-4 |
| ITF China F13 | 2018/08/21 02:00 | Daisuke Sumizawa v Huixin Wang | 4-6,6-2,2-6 |
| ITF Thailand F5 | 2018/09/30 02:30 | David Agung Susanto v Kousuke Ogura | 6-4,6-0 |
| ITF Thailand F5 | 2018/09/29 04:30 | Tianjia Guo v Kousuke Ogura | 6-4,2-6,3-6 |
| ITF Thailand F4 | 2018/09/26 05:40 | Kousuke Ogura v Pascal Meis | 2-6,3-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Ruikai Wang v Kousuke Ogura | 3-6,1-6 |
| ITF Thailand F4 | 2018/09/23 04:00 | Yu-Seob Kim v Kousuke Ogura | 4-6,1-6 |
| ITF Indonesia F3 Qual | 2018/08/04 04:30 | Kousuke Ogura v Ansu Bhuyan | 6-4,4-6,1-6 |
| ITF China F10 Qual | 2018/07/08 02:00 | Kousuke Ogura v Mikal Statham | 4-6,0-6 |
| ITF China F10 Qual | 2018/07/07 05:00 | Natthasith Kunsuwan v Kousuke Ogura | 6-7,4-6 |