Round: 54 Ground: Clay
| ITF Japan F6 Qual | 2017/05/28 06:00 | Tashiro, Yuga v Daisuke Sumizawa | 6-1,6-1 |
| ITF Japan F6 Qual | 2017/05/28 06:00 | Tashiro, Yuga v Daisuke Sumizawa | 6-1,6-1 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Shirafuji, Naru v Tashiro, Yuga | 4-6,6-1,4-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Tashiro, Yuga v Suzuki, Takao | 1-6,4-6 |
| ITF Japan F4 | 2017/03/27 01:00 | Tashiro, Yuga v Watanuki, Keisuke | 2-6,6-7 |
| ITF Japan F4 | 2017/03/25 03:00 | Kato, Takumi v Tashiro, Yuga | 5-7,3-6 |
| ITF Japan F3 | 2017/03/18 08:00 | Tanaka, Yunosuke v Tashiro, Yuga | 6-2,6-1 |
| ITF Japan F3 | 2017/03/18 03:00 | Tashiro, Yuga v Oku, Hiromasa | 6-3,6-2 |
| ITF Japan F1 | 2017/03/06 01:00 | Tashiro, Yuga v Rio Noguchi | 2-6,4-6 |
| ITF Japan F6 Qual | 2017/05/28 06:00 | Tashiro, Yuga 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 | Kawakami, Rimpei 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 China F3 Qual | 2017/02/26 01:30 | Li, Yuanfeng v Daisuke Sumizawa | 7-6,6-4 |
| ITF China F3 Qual | 2017/02/25 03:00 | Liu, Shiyou v Daisuke Sumizawa | 2-6,2-6 |
| ITF China F2 Qual | 2017/02/20 04:20 | Tanuma, Ryota v Daisuke Sumizawa | 6-4,6-2 |