Round: 62 Ground: Hardcourt outdoor
| ITF Greece F5 | 2015/04/18 08:30 | Delf Gohlke v Masayoshi Ono | 6-7,6-2,6-2 |
| ITF Japan F8 | 2015/06/24 01:10 | Masayoshi Ono v Arata Onozawa | 2-6,2-6 |
| ITF Japan F6 | 2015/06/11 01:00 | Masayoshi Ono v Toshihide Matsui | 5-7,0-6 |
| ITF Guam F1 | 2015/05/27 00:00 | Hiromasa Oku v Masayoshi Ono | 6-0,6-2 |
| ITF Guam F1 | 2015/05/24 02:00 | Winter Meagher v Masayoshi Ono | 2-6,2-6 |
| ITF Greece F6 | 2015/04/27 09:20 | Stephanos Schinas v Masayoshi Ono | 6-7,6-4,6-1 |
| ITF Greece F5 | 2015/04/18 08:30 | Delf Gohlke v Masayoshi Ono | 6-7,6-2,6-2 |
| ITF Japan F4 | 2015/03/28 03:00 | Masaki Sasai v Masayoshi Ono | 6-4,6-1 |
| ITF Japan F1 | 2015/03/07 01:00 | Yohei Ono v Masayoshi Ono | 6-4,7-6 |
| ITF Turkey F36 | 2015/10/04 12:00 | Thomas Statzberger v Delf Gohlke | 7-6,6-2 |
| ITF Turkey F36 | 2015/10/03 12:00 | Delf Gohlke v Ilia Tarsunov | 6-0,6-0 |
| ITF Turkey F38 | 2015/09/24 17:00 | Peter Heller v Delf Gohlke | 6-3,6-1 |
| ITF Turkey F38 | 2015/09/23 13:50 | Delf Gohlke v August Holmgren | 6-0,6-3 |
| ITF Greece F6 | 2015/04/26 09:30 | Fran Zvonimir Zgombic v Delf Gohlke | 4-6,6-3,7-5 |
| ITF Greece F5 | 2015/04/20 08:15 | Fran Zvonimir Zgombic v Delf Gohlke | 7-5,6-4 |
| ITF Greece F5 | 2015/04/19 11:00 | Delf Gohlke v Scott Lawrence | 6-1,6-1 |
| ITF Greece F5 | 2015/04/18 08:30 | Delf Gohlke v Masayoshi Ono | 6-7,6-2,6-2 |