Stadium: Court 9 Round: 54 Ground: Synthetic outdoor
| 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 Vietnam F2 | 2018/05/05 05:00 | Daisuke Sumizawa v Jirat Navasirisomboon | 2-6,5-7 |
| ITF Vietnam F1 | 2018/04/29 05:30 | Jirat Navasirisomboon v Daisuke Sumizawa | 6-2,6-1 |
| ITF Vietnam F1 | 2018/04/28 05:00 | Yuttana Charoenphon v Daisuke Sumizawa | 4-6,2-6 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Aoran Wang v Daisuke Sumizawa | 6-2,6-2 |
| ITF Japan F5 | 2018/03/31 00:30 | Gengo Kikuchi v Daisuke Sumizawa | 6-1,6-3 |
| ITF Turkey F11 | 2018/03/18 07:00 | Marc Fornell-Mestres v Daisuke Sumizawa | 6-4,6-4 |
| ITF Japan F8 | 2017/06/11 00:00 | Taisei Miyamoto v Yuki Matsuo | 1-6,5-7 |
| ITF Japan F8 | 2017/06/10 04:00 | Taisei Miyamoto v Takahiro Kubo | 6-1,6-2 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Tomohiro Masabayashi v Taisei Miyamoto | 6-3,7-5 |
| ITF Japan F4 | 2017/03/25 01:00 | Taisei Miyamoto v Takuya Kumasaka | 6-2,6-3 |
| ITF Japan F6 Qual | 2016/05/28 01:00 | Ryota Kishi v Taisei Miyamoto | 6-1,6-3 |
| ITF Turkey F16 | 2016/04/17 10:30 | Taisei Miyamoto v Rio Noguchi | 6-1,5-7,3-6 |
| ITF Turkey F16 | 2016/04/16 09:00 | Taisei Miyamoto v Yanik Kaelin | 3-6,6-1,6-4 |
| ITF Turkey F15 | 2016/04/11 07:00 | Emmanuel Luria v Taisei Miyamoto | 2-6,6-4,7-6 |