| 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 |
| ITF Japan F6 | 2016/05/31 01:00 | Takuto Niki v Hiromasa Oku | 2-6,3-6 |
| ITF Guam F1 | 2016/05/24 02:00 | Hiromasa Oku v Shunrou Takeshima | 3-6,2-6 |
| ITF Turkey F19 | 2016/05/13 09:20 | Marc Sieber v Hiromasa Oku | 6-0,6-3 |
| ITF Turkey F19 | 2016/05/11 13:00 | Hiromasa Oku v Thomas Statzberger | 6-3,6-4 |
| ITF Turkey F18 | 2016/05/04 08:00 | Hiromasa Oku v Anil Yuksel | 3-6,2-6 |
| ITF Turkey F17 | 2016/04/26 11:20 | Altug Celikbilek v Hiromasa Oku | 6-4,2-6,7-6 |
| ITF Japan F5 | 2016/04/08 01:00 | Hiromasa Oku v Yuya Kibi | 2-6,4-6 |
| ITF Japan F5 | 2016/04/05 07:45 | Hiromasa Oku v Katsuki Nagao | 7-6,5-7,6-1 |
| ITF Japan F6 | 2016/05/31 05:30 | Masato Shiga v Yuya Kibi | 6-7,6-4,0-6 |
| ITF Guam F1 | 2016/05/23 00:00 | Katsuki Nagao v Yuya Kibi | 6-7,4-6 |
| ITF Japan F5 | 2016/04/09 03:00 | Yuya Kibi v Yosuke Watanuki | 1-6,6-3,4-6 |
| ITF Japan F5 | 2016/04/08 05:30 | Yuichi Ito v Yuya Kibi | 4-6,2-6 |
| ITF Japan F5 | 2016/04/08 01:00 | Hiromasa Oku v Yuya Kibi | 2-6,4-6 |
| ITF Japan F5 | 2016/04/05 02:00 | Ryota Tanuma v Yuya Kibi | 4-6,2-6 |
| ITF Japan F4 | 2016/03/30 03:10 | Yuya Kibi v Xin Gao | 4-6,6-3,1-6 |
| ITF Japan F3 | 2016/03/26 02:00 | Duckhee Lee v Yuya Kibi | 6-2,6-3 |