Round: 25 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/22 04:15 | Yusuke Takahashi v Kaito Uesugi | 6-4,6-1 |
| ITF Japan F3 | 2017/03/20 02:55 | Kaito Uesugi v Ito, Yuichi | 7-5,3-6,6-2 |
| Challenger Yokohama | 2017/03/03 05:00 | Kaito Uesugi v Tatsuma Ito | 7-6,2-6,6-7 |
| Challenger Yokohama | 2017/03/02 02:50 | Bemelmans, Ruben v Kaito Uesugi | 4-6,6-3,3-6 |
| Challenger Yokohama | 2017/02/28 05:10 | Yasutaka Uchiyama v Kaito Uesugi | 4-6,6-1,3-6 |
| Kyoto, Japan | 2017/02/21 04:55 | Kaito Uesugi v Zhang, Ze | 1-6,1-6 |
| Others | 2016/11/12 05:10 | Kaito Uesugi v Betov, Sergey | 2-6,1-6 |
| Challenger Kobe | 2016/11/09 02:00 | Weintraub, Amir v Kaito Uesugi | 7-5,6-4 |
| ITF Japan F3 | 2017/03/22 06:00 | Vinsant, Shane v Issei Okamura | 6-2,6-3 |
| ITF Japan F3 | 2017/03/20 02:35 | Daisuke Sumizawa v Issei Okamura | 2-6,2-6 |
| ITF Japan F2 | 2017/03/13 04:00 | Issei Okamura v Nam Hoang Ly | 2-6,2-6 |
| ITF Japan F1 | 2017/03/07 02:30 | Issei Okamura v Yuki Mochizuki | 2-6,4-6 |
| ITF China F3 | 2017/03/01 07:35 | Issei Okamura v Bortolotti, Marco | 3-6,5-7 |
| ITF China F2 | 2017/02/23 03:00 | Issei Okamura v Rubin Statham | 1-6,3-6 |
| ITF China F2 | 2017/02/21 02:00 | Silva, Caio v Issei Okamura | 1-6,0-6 |
| ITF China F1 | 2017/02/15 02:00 | Petrovic, Danilo v Issei Okamura | 6-3,6-2 |