| ITF Japan F5 | 2016/04/08 01:00 | Hiromasa Oku v Yuya Kibi | 2-6,4-6 |
| ITF Japan F7 | 2014/06/22 06:40 | Yuya Kibi v Hiromasa Oku | 6-4,6-3 |
| ITF Japan F6 | 2014/06/14 02:00 | Hiromasa Oku v Yuya Kibi | 0-6,2-6 |
| ITF Japan F5 | 2014/06/05 01:00 | Hiromasa Oku v Yuya Kibi | 4-6,2-6 |