Round: 26 Ground: Hardcourt outdoor
| ITF Vietnam F8 | 2016/09/18 02:00 | Naru Shirafuji v Ken Onoda | 3-6,4-6 |
| ITF Guam F1 | 2017/06/20 07:45 | Bernardo Saraiva v Naru Shirafuji | 4-6,4-6 |
| ITF Japan F8 | 2017/06/10 00:00 | Naru Shirafuji v Yuichiro Inui | 2-6,3-6 |
| ITF Japan F7 | 2017/06/04 01:00 | Naru Shirafuji v Tomohiro Masabayashi | 3-6,4-6 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Naru Shirafuji v Yuga Tashiro | 4-6,6-1,4-6 |
| ITF Japan F4 | 2017/03/25 03:00 | Tomohiro Masabayashi v Naru Shirafuji | 6-3,6-1 |
| ITF Japan F3 | 2017/03/18 00:30 | Naru Shirafuji v Yuto Sakai | 3-6,4-6 |
| ITF Japan F2 | 2017/03/13 01:00 | Takashi Yasugami v Naru Shirafuji | 7-6,6-4 |
| ITF Japan F2 | 2017/03/12 02:00 | Chih-Chun Tang v Naru Shirafuji | 5-7,7-6,0-6 |
| ITF Guam F1 | 2017/06/20 07:45 | Nicholas Reyes v Ken Onoda | 4-6,4-6 |
| ITF Singapore F1 | 2017/06/05 02:00 | Ken Onoda v Linh Giang Trinh | 3-6,4-6 |
| ITF Singapore F2 | 2017/06/01 03:00 | Ramkumar Ramanathan v Ken Onoda | 6-1,6-2 |
| ITF Singapore F2 | 2017/05/30 07:15 | Congsup Congcar v Ken Onoda | 7-5,3-6,2-6 |
| ITF Singapore F2 Qual | 2017/05/29 04:20 | David Nguyen v Ken Onoda | 3-6,2-6 |
| ITF Singapore F2 Qual | 2017/05/28 04:00 | Kazuki Nishiwaki v Ken Onoda | 5-7,6-1,1-6 |
| ITF Singapore F1 | 2017/05/25 03:20 | Ken Onoda v Yuichi Ito | 3-6,6-3,1-6 |
| ITF Singapore F1 Qual | 2017/05/22 07:05 | Michael Look v Ken Onoda | 4-6,7-5,3-6 |