Round: 54 Ground: Hardcourt outdoor
| Challenger Toyota Qual | 2017/11/11 07:35 | Hiroyasu Ehara v Yuto Sakai | 6-7,6-2,6-3 |
| Challenger Toyota Qual | 2017/11/11 02:15 | Yuto Sakai v Masaki Osafune | 7-6,1-6,6-1 |
| Challenger Kobe Qual | 2017/11/04 05:20 | Yuto Sakai v Sora Fukuda | 1-6,3-6 |
| ITF Japan F8 | 2017/06/15 01:00 | Yuto Sakai v Yusuke Watanuki | 4-6,6-3,3-6 |
| ITF Japan F8 | 2017/06/14 01:00 | Yuto Sakai v Yohei Ono | 7-5,6-0 |
| ITF Japan F8 | 2017/06/12 00:00 | Luca Castelnuovo v Yuto Sakai | 7-6,4-6,6-7 |
| ITF Japan F8 | 2017/06/11 03:00 | Yuto Sakai v Shinji Hazawa | 6-1,6-4 |
| ITF Japan F6 | 2017/06/01 04:10 | Yuto Sakai v Sora Fukuda | 6-7,3-6 |
| ITF Thailand F12 | 2017/12/12 08:10 | Renta Tokuda v Congsup Congcar | 6-1,6-0 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Young Seok Kim v Congsup Congcar | 3-6,6-1,6-3 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Congsup Congcar v Maciej Jablonski | 7-5,6-4 |
| ITF Thailand F10 Qual | 2017/11/27 03:00 | Ryota Tanuma v Congsup Congcar | 6-4,6-4 |
| ITF Thailand F10 Qual | 2017/11/26 07:00 | Richard Yang v Congsup Congcar | 6-3,2-6,3-6 |
| Challenger Hua Hin | 2017/11/22 03:00 | Akira Santillan v Congsup Congcar | 6-2,6-2 |
| ITF Vietnam F1 | 2017/11/09 03:00 | Vasko Mladenov v Congsup Congcar | 6-4,7-6 |
| ITF Vietnam F1 | 2017/11/05 05:00 | Michael Look v Congsup Congcar | 6-3,7-6 |