Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F4 | 2016/01/24 08:00 | Issei Okamura v Peter Balla | 6-2,6-2 |
| 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 Australia F10 | 2015/11/18 23:00 | Dayne Kelly v Issei Okamura | 6-4,6-0 |
| ITF Australia F10 | 2015/11/16 23:00 | Issei Okamura v Adam Taylor | 7-5,3-6,7-6 |
| ITF Australia F10 | 2015/11/11 04:20 | Issei Okamura v Harry Bourchier | 2-6,7-6,3-6 |
| ITF Chinese Taipei F1 | 2015/08/27 02:00 | Issei Okamura v Yan Bai | 2-6,1-6 |
| ITF Qatar F4 | 2015/12/02 12:00 | Joris De Loore v Ryota Kishi | 6-2,6-4 |
| ITF Qatar F4 | 2015/12/01 12:40 | Johan Nikles v Ryota Kishi | 6-3,5-7,3-6 |
| ITF Qatar F4 Qual | 2015/11/29 14:20 | Ryota Kishi v James Allemby | 6-4,6-3 |
| ITF Qatar F4 Qual | 2015/11/28 15:45 | Ryota Kishi v Ramy Labna | 6-4,6-4 |
| ITF Kuwait F3 | 2015/11/25 09:25 | Ryota Kishi v Gabor Borsos | 3-6,6-7 |
| ITF Kuwait F3 | 2015/11/23 07:00 | Alexander Braun v Ryota Kishi | 1-6,1-6 |
| ITF Kuwait F3 Qual | 2015/11/22 07:00 | Ryota Kishi v Yanik Kaelin | 6-2,6-0 |
| ITF Kuwait F2 | 2015/11/14 07:00 | Gijs Brouwer v Ryota Kishi | 7-5,7-6 |