Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/20 02:35 | Daisuke Sumizawa v Issei Okamura | 2-6,2-6 |
| ITF China F3 Qual | 2017/02/26 01:30 | Yuanfeng Li v Daisuke Sumizawa | 7-6,6-4 |
| ITF China F3 Qual | 2017/02/25 03:00 | Shiyou Liu v Daisuke Sumizawa | 2-6,2-6 |
| ITF China F2 Qual | 2017/02/20 04:20 | Ryota Tanuma v Daisuke Sumizawa | 6-4,6-2 |
| ITF China F2 Qual | 2017/02/19 07:30 | Daisuke Sumizawa v Weiqiang Zheng | 2-6,7-6,6-4 |
| ITF China F2 Qual | 2017/02/18 08:05 | Daisuke Sumizawa v Ang Ji | 6-2,7-6 |
| ITF China F1 Qual | 2017/02/13 05:55 | Tao Mu v Daisuke Sumizawa | 7-6,1-6,6-4 |
| ITF China F1 Qual | 2017/02/12 08:15 | Daisuke Sumizawa v Yuxiao Jia | 6-1,7-5 |
| ITF Japan F4 | 2017/03/25 03:00 | Tomohiro Masabayashi v Naru Shirafuji | 6-3,6-1 |
| ITF Japan F3 | 2017/03/18 06:00 | Tomohiro Masabayashi v Yuki Matsuo | 1-6,2-6 |
| ITF Japan F1 | 2017/03/04 01:00 | Tomohiro Masabayashi v Shinta Fujii | 6-3,2-6,3-6 |
| ITF Japan F8 | 2016/06/11 04:00 | Kaito Uesugi v Tomohiro Masabayashi | 6-1,6-2 |
| ITF Japan F7 Qual | 2016/06/04 01:00 | Shunrou Takeshima v Tomohiro Masabayashi | 6-2,6-2 |
| ITF Japan F6 Qual | 2016/05/28 01:00 | Renta Tokuda v Tomohiro Masabayashi | 6-2,6-4 |