Ground: Synthetic outdoor
| ITF Japan F5 | 2014/06/02 01:00 | Issei Okamura v Katsuki Nagao | 1-6,6-7 |
| ITF Japan F4 | 2014/04/04 01:00 | Issei Okamura v Masato Shiga | 0-6,3-6 |
| ITF Japan F4 | 2014/04/02 02:45 | Issei Okamura v Masaki Sasai | 6-3,6-3 |
| ITF Japan F4 | 2014/04/01 03:45 | Yuichi Ito v Issei Okamura | 7-6,2-6,6-7 |
| ITF Japan F3 | 2014/03/27 03:55 | Yuya Kibi v Issei Okamura | 6-1,6-1 |
| ITF Japan F3 | 2014/03/25 02:45 | Issei Okamura v Wishaya Trongcharoenchaikul | 6-4,6-2 |
| ITF Japan F2 | 2014/03/17 01:00 | Issei Okamura v Yuya Kibi | 1-6,3-6 |
| ITF Japan F6 | 2014/06/10 03:20 | Gengo Kikuchi v Hiromasa Oku | 3-6,6-7 |
| ITF Japan F5 | 2014/06/06 04:30 | Gengo Kikuchi v Yuya Kibi | 3-6,6-3,1-6 |
| ITF Japan F5 | 2014/06/05 01:00 | Sho Katayama v Gengo Kikuchi | 4-6,6-7 |
| ITF Japan F5 | 2014/06/04 01:00 | Gengo Kikuchi v Yusuke Watanuki | 2-6,6-4,6-4 |
| ITF Japan F5 | 2014/06/02 03:00 | Gengo Kikuchi v Yohei Ono | 6-4,6-2 |
| ITF Guam F1 | 2014/05/30 00:00 | Jeevan Nedunchezhiyan v Gengo Kikuchi | 7-6,6-3 |
| ITF Korea F1 Qual | 2014/05/01 02:00 | Edward Corrie v Gengo Kikuchi | 6-2,6-4 |
| ITF Korea F1 | 2014/04/23 01:00 | Yong-Kyu Lim v Gengo Kikuchi | 6-2,7-5 |