Round: 44 Ground: Hardcourt outdoor
| ITF Greece F9 Qual | 2015/10/26 13:00 | Zeljko Milovic v Masayoshi Ono | 7-6,3-6,6-2 |
| ITF Greece F9 Qual | 2015/10/24 11:30 | Robert Ziganshin v Masayoshi Ono | 3-6,3-6 |
| ITF Greece F8 | 2015/10/19 07:00 | Gonzales Austin v Masayoshi Ono | 6-2,6-3 |
| ITF Greece F8 | 2015/10/18 10:00 | Petros Tsitsipas v Masayoshi Ono | 3-6,1-6 |
| ITF Greece F8 | 2015/10/17 08:30 | Osgar O'Hoisin v Masayoshi Ono | 3-6,3-6 |
| ITF Greece F7 | 2015/10/12 11:05 | Masayoshi Ono v Delf Gohlke | 6-7,2-6 |
| ITF Canada F6 Qual | 2015/07/27 16:00 | Masayoshi Ono v Max Schnur | 6-2,6-2 |
| ITF Canada F6 Qual | 2015/07/26 16:00 | Masayoshi Ono v Kento Tanaka-Tamaki | 6-2,6-2 |