Round: 62 Ground: Hardcourt outdoor
| 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 China F13 | 2018/08/20 02:00 | Daisuke Sumizawa v Lewei Cai | 6-4,6-1 |
| ITF China F13 | 2018/08/19 02:00 | Daisuke Sumizawa v Yong Jia Cai | 6-1,6-3 |
| ITF China F12 | 2018/08/14 03:30 | Daisuke Sumizawa v Rhett Purcell | 6-2,0-6,4-6 |
| ITF Korea F6 | 2018/08/28 02:00 | Ku Keon Kang v Cheong Hwi Kim | 6-0,6-0 |
| ITF Korea F5 | 2018/08/19 02:00 | Sung Jun Park v Cheong Hwi Kim | 6-0,6-2 |
| ITF Korea F5 | 2018/08/18 03:00 | Edward Lewis v Cheong Hwi Kim | 2-6,0-6 |
| ITF Korea F4 | 2018/08/13 01:00 | Cheong Hwi Kim v Jeong Heon Lee | 3-6,6-3,3-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Ang Ji v Cheong Hwi Kim | 1-6,1-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Seon Yong Han v Cheong Hwi Kim | 6-4,2-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Liang-Yu Lin v Cheong Hwi Kim | 6-2,6-4 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Chih Chi Huang v Cheong Hwi Kim | 6-4,3-6,6-3 |