Stadium: Court 1 Round: 44
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Daisuke Sumizawa v Jeffrey Hsu | 3-6,1-6 |
| ITF Malaysia F3 | 2018/07/17 09:05 | Brugnerotto, Marco v Daisuke Sumizawa | 6-4,6-2 |
| ITF Malaysia F3 | 2018/07/16 04:30 | Daisuke Sumizawa v Siddharth Vishwakarma | 1-6,2-6 |
| ITF Malaysia F2 | 2018/07/08 04:30 | Hann, Thomas v Daisuke Sumizawa | 7-5,6-1 |
| ITF Guam F1 | 2018/06/19 04:30 | Ito, Yuichi v Daisuke Sumizawa | 6-3,4-6,6-3 |
| ITF Japan F8 | 2018/06/11 00:30 | Watanuki, Keisuke v Daisuke Sumizawa | 6-4,2-6,6-2 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | Daisuke Sumizawa v Taisei Miyamoto | 2-6,4-6 |
| ITF Vietnam F3 | 2018/05/13 04:00 | Bybel, Nicholas v Daisuke Sumizawa | 6-1,6-3 |
| ITF China F12 Qual | 2018/08/11 02:00 | Chilakalapudi, Tarun Anirudh v Chen, Liran | 3-6,6-1,0-6 |
| ITF China F10 Qual | 2018/07/07 02:00 | Statham, Mikal v Chen, Liran | 7-6,6-3 |
| ITF China F9 Qual | 2018/07/02 02:00 | Wu, Hao v Chen, Liran | 6-2,5-7,6-0 |
| ITF China F9 Qual | 2018/06/30 02:00 | Wang, Jiaji v Chen, Liran | 1-6,2-6 |
| ITF China F8 | 2018/06/04 02:00 | Fajing Sun v Chen, Liran | 6-4,6-3 |
| ITF China F7 Qual | 2018/05/27 05:45 | Yin, Bang Shuo v Chen, Liran | 6-3,4-6,7-6 |
| ITF China F6 Qual | 2018/05/12 06:35 | Qi, Xi v Chen, Liran | 6-3,6-7,7-6 |
| ITF China F5 | 2018/05/09 02:00 | Yuta Shimizu v Chen, Liran | 6-2,7-6 |