Stadium: Court 5 Round: 54
| ITF Malaysia F3 | 2018/07/17 09:05 | Marco Brugnerotto 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 | Thomas Hann v Daisuke Sumizawa | 7-5,6-1 |
| ITF Guam F1 | 2018/06/19 04:30 | Yuichi Ito v Daisuke Sumizawa | 6-3,4-6,6-3 |
| ITF Japan F8 | 2018/06/11 00:30 | Keisuke Watanuki 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 | Nicholas Bybel v Daisuke Sumizawa | 6-1,6-3 |
| ITF Vietnam F3 | 2018/05/12 03:00 | Artem Vu v Daisuke Sumizawa | 3-6,1-6 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Tomohiro Masabayashi v Jeffrey Hsu | 6-4,6-1 |
| ITF Chinese Taipei F2 Qual | 2017/06/19 03:30 | Fei Ti Liao v Jeffrey Hsu | 6-7,6-3,6-0 |
| ITF Chinese Taipei F1 Qual | 2017/06/11 04:30 | Jeffrey Hsu v Tsung-Hao Huang | 5-7,3-6 |
| ITF USA F2 Qual | 2017/01/07 22:30 | Tanner K Smith v Jeffrey Hsu | 6-3,6-4 |
| ITF USA F1 Qual | 2016/12/31 17:00 | Martin Redlicki v Jeffrey Hsu | 7-6,6-3 |
| ITF USA F36 | 2016/11/05 15:30 | Noe Khlif v Jeffrey Hsu | 6-4,6-3 |
| ITF China F11 Qual | 2015/07/18 09:35 | Ruikai Wang v Jeffrey Hsu | 3-6,6-3,6-4 |
| ITF China F10 Qual | 2015/07/12 02:00 | Jeffrey Hsu v Zuxin Zheng | 7-5,6-7,0-6 |