| ITF Turkey F44 | 2015/11/03 09:45 | Julian Onken v Tomislav Brkic | 6-7,3-6 |
| ITF Italy F32 | 2015/10/20 11:45 | Julian Onken v Walter Trusendi | 3-6,3-6 |
| ITF Italy F32 Qual | 2015/10/17 07:00 | Julian Onken v Nicolas Parizzia | 6-4,6-1 |
| ITF Italy F31 | 2015/10/14 10:15 | Julian Onken v Riccardo Bonadio | 6-3,1-6,2-6 |
| ITF Italy F31 | 2015/10/13 09:55 | Gian Marco Moroni v Julian Onken | 6-2,3-6,0-6 |
| ITF Italy F31 Qual | 2015/10/12 07:00 | Julian Onken v Giovanni Fonio | 6-2,5-7,7-6 |
| ITF Poland F5 | 2015/09/07 11:50 | Ondrej Krstev v Julian Onken | 6-2,5-7,6-3 |
| ITF Poland F4 Qual | 2015/08/31 09:30 | Mikolaj Jedruszczak v Julian Onken | 7-5,6-0 |
| ITF Portugal F13 | 2015/10/05 09:00 | Jose-Ricardo Nunes v Kento Yamada | 7-5,6-4 |
| ITF Portugal F13 | 2015/10/04 11:30 | Manuel Almeida v Kento Yamada | 3-6,2-6 |
| ITF Portugal F13 | 2015/10/03 14:30 | Nathan Lavanchy v Kento Yamada | 2-6,2-6 |
| ITF Portugal F12 | 2015/09/30 15:00 | Kento Yamada v Hubert Hurkacz | 2-6,3-6 |
| ITF Portugal F12 Qual | 2015/09/28 11:00 | Kento Yamada v Patrick Mayer | 6-2,6-2 |
| ITF Spain F30 Qual | 2015/09/20 09:00 | Kento Yamada v Yusuke Takahashi | 4-6,2-6 |
| ITF Spain F30 Qual | 2015/09/19 10:00 | Rafael I Luque v Kento Yamada | 1-6,4-6 |
| ITF Spain F28 | 2015/09/09 09:00 | Jean-Marc Werner v Kento Yamada | 7-6,6-2 |