Round: 62 Ground: Hardcourt outdoor
| ITF - Thailand F9 | 2015/12/02 08:25 | Kittiphong Wachiramanowong v Issei Okamura | 3-6,6-4,6-3 |
| ITF - Thailand F9 | 2015/12/01 03:00 | Issei Okamura v Warit Sornbutnark | 6-2,6-2 |
| ITF - Thailand F9 | 2015/11/23 03:00 | Pruchya Isarow v Issei Okamura | 6-2,6-4 |
| ITF - Australien F10 | 2015/11/18 23:00 | Dayne Kelly v Issei Okamura | 6-4,6-0 |
| ITF - Australien F10 | 2015/11/16 23:00 | Issei Okamura v Adam Taylor | 7-5,3-6,7-6 |
| ITF - Australien F10 | 2015/11/11 04:20 | Issei Okamura v Harry Bourchier | 2-6,7-6,3-6 |
| ITF - Taiwan F1 | 2015/08/27 02:00 | Issei Okamura v Yan Bai | 2-6,1-6 |
| ITF - Taiwan F1 | 2015/08/25 02:00 | Issei Okamura v Shao-Fan Liu | 6-3,6-4 |
| ITF - Türkei F4 | 2016/01/23 08:00 | Peter Balla v Thomas Statzberger | 6-4,6-0 |
| ITF - Ungarn F1 | 2014/06/03 11:00 | Peter Balla v Mate Zsiga | 4-6,1-6 |
| ITF - Kroatien F2 | 2014/02/17 09:00 | Peter Balla v Marek Jaloviec | 3-6,3-6 |