Round: 62 Ground: Clay
| ITF Japan F8 | 2017/06/10 00:00 | Daisuke Sumizawa v Takuya Komura | 6-4,6-0 |
| ITF Japan F7 | 2017/06/03 01:00 | Daisuke Sumizawa v Luca Castelnuovo | 3-6,3-6 |
| ITF Japan F6 Qual | 2017/05/29 03:00 | Yuga Tashiro v Daisuke Sumizawa | 6-1,6-1 |
| ITF Japan F6 Qual | 2017/05/28 06:00 | Yuga Tashiro v Daisuke Sumizawa | 6-1,6-1 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Yuichiro Inui v Daisuke Sumizawa | 2-6,3-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Rimpei Kawakami v Daisuke Sumizawa | 7-5,6-4 |
| ITF Japan F4 | 2017/03/27 08:00 | Daisuke Sumizawa v Tomohiro Masabayashi | 0-6,0-6 |
| ITF Japan F3 | 2017/03/20 02:35 | Daisuke Sumizawa v Issei Okamura | 2-6,2-6 |
| ITF Japan F8 | 2017/06/11 00:00 | Taisei Miyamoto v Yuki Matsuo | 1-6,5-7 |
| ITF Japan F7 | 2017/06/07 06:40 | Yuki Matsuo v Shuichi Sekiguchi | 4-6,2-6 |
| ITF Japan F7 | 2017/06/05 02:50 | Rio Noguchi v Yuki Matsuo | 3-6,0-6 |
| ITF Japan F6 | 2017/05/30 06:05 | Yuki Matsuo v Yusuke Takahashi | 2-6,6-7 |
| ITF Japan F6 Qual | 2017/05/29 03:40 | Yuki Matsuo v Masaki Osafune | 7-6,6-2 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Yuki Matsuo v Keigo Shimizu | 7-6,5-7,6-1 |
| ITF Japan F5 | 2017/04/06 02:50 | Yusuke Takahashi v Yuki Matsuo | 6-2,6-3 |
| ITF Japan F5 | 2017/04/04 00:30 | Yuki Matsuo v Koichi Sano | 7-5,7-6 |