Round: 25 Ground: Hardcourt outdoor
| ITF China F6 Qual | 2017/05/08 03:25 | Masaki Osafune v Kazuma Kawachi | 6-2,6-4 |
| ITF China F6 Qual | 2017/05/07 01:30 | Masaki Osafune v Liran Chen | 6-3,6-3 |
| ITF China F6 Qual | 2017/05/06 04:30 | Xiao Gong v Masaki Osafune | 6-0,4-6,5-7 |
| ITF Japan F4 | 2017/03/30 03:15 | Ryota Tanuma v Masaki Osafune | 7-5,3-6,6-3 |
| ITF Japan F4 | 2017/03/28 02:00 | Masaki Osafune v Rio Noguchi | 1-6,7-6,6-3 |
| ITF Japan F4 | 2017/03/25 02:00 | Hiromasa Oku v Masaki Osafune | 1-6,0-6 |
| ITF Japan F3 | 2017/03/18 03:00 | Masaya Kobayashi v Masaki Osafune | 7-6,6-7,6-4 |
| ITF Japan F2 | 2017/03/12 02:00 | Kittiphong Wachiramanowong v Masaki Osafune | 6-3,6-4 |
| ITF China F6 Qual | 2017/05/06 08:30 | Hua-Xuan Wei v Yan Bai | 7-6,6-2 |
| Challenger Anning | 2017/04/26 06:35 | Yan Bai v Quentin Halys | 2-6,1-6 |
| Challenger Anning | 2017/04/24 05:50 | Yan Bai v Daniel Munoz-De La Nava | 6-4,6-4 |
| Challenger Qingdao | 2017/04/19 05:10 | Yan Bai v Quentin Halys | 1-6,4-6 |
| Challenger Qingdao | 2017/04/18 02:00 | Attila Balazs v Yan Bai | 3-6,4-6 |
| ITF China F5 | 2017/04/12 03:00 | Yan Bai v Harry Bourchier | 6-4,3-6,2-6 |
| ITF China F5 | 2017/04/11 03:10 | Mukund Sasikumar v Yan Bai | 3-6,3-6 |
| Challenger Quanzhou | 2017/03/20 02:00 | Yan Bai v Pedro Sousa | 4-6,2-6 |