Round: 62 Ground: Hardcourt outdoor
| ITF Greece F7 | 2015/10/14 07:00 | Theo Fournerie v Osgar O'Hoisin | 6-3,6-4 |
| ITF Greece F7 | 2015/10/11 08:00 | Michele Longo v Osgar O'Hoisin | 3-6,7-5,6-7 |
| ITF France F21 Qual | 2015/10/03 11:50 | Osgar O'Hoisin v Constant De La Bassetiere | 6-1,5-7,3-6 |
| ITF Ireland F1 | 2015/07/21 12:25 | Daniel Evans v Osgar O'Hoisin | 6-1,6-4 |
| ITF Great Britain F6 | 2015/07/05 09:00 | David Fox v Osgar O'Hoisin | 4-6,7-5,6-3 |
| ITF Greece F7 | 2015/10/12 11:05 | Masayoshi Ono v Delf Gohlke | 6-7,2-6 |
| 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 |