Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F4 | 2016/01/24 08:00 | Issei Okamura v Balla, Peter | 6-2,6-2 |
| ITF Thailand F9 | 2015/12/02 08:25 | Wachiramanowong, Kittipong v Issei Okamura | 3-6,6-4,6-3 |
| ITF Thailand F9 | 2015/12/01 03:00 | Issei Okamura v Sornbutnark, Warit | 6-2,6-2 |
| ITF Thailand F9 | 2015/11/23 03:00 | Isarow, Pruchya v Issei Okamura | 6-2,6-4 |
| ITF Australia F10 | 2015/11/18 23:00 | Kelly, Dayne 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 Bourchier, Harry | 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 Kishi, Ryota | 6-2,6-4 |
| ITF Qatar F4 | 2015/12/01 12:40 | Johan Nikles v Kishi, Ryota | 6-3,5-7,3-6 |
| ITF Qatar F4 Qual | 2015/11/29 14:20 | Kishi, Ryota v Allemby, James | 6-4,6-3 |
| ITF Qatar F4 Qual | 2015/11/28 15:45 | Kishi, Ryota v Labna, Ramy | 6-4,6-4 |
| ITF Kuwait F3 | 2015/11/25 09:25 | Kishi, Ryota v Borsos, Gabor | 3-6,6-7 |
| ITF Kuwait F3 | 2015/11/23 07:00 | Braun, Alexander v Kishi, Ryota | 1-6,1-6 |
| Kuwait F3, Singles Qualifying | 2015/11/22 07:00 | Kishi, Ryota v Kaelin, Yanik | 6-2,6-0 |
| ITF Kuwait F2 | 2015/11/14 07:00 | Gijs Brouwer v Kishi, Ryota | 7-5,7-6 |