| ITF Germany F7 | 2015/07/13 08:00 | Schutt, Leon v Onken, Julian | 6-1,4-6,7-6 |
| ITF Germany F7 | 2015/07/13 08:00 | Schutt, Leon v Onken, Julian | 6-1,4-6,7-6 |
| ITF Germany F5 | 2015/07/01 14:30 | Krawietz, Kevin v Schutt, Leon | 6-3,6-1 |
| ITF Belgium F3 | 2015/06/23 10:20 | Netuschil, Marvin v Schutt, Leon | 7-6,6-3 |
| ITF Belgium F2 | 2015/06/17 10:00 | Schutt, Leon v Nastasi, Ugo | 4-6,5-7 |
| ITF Belgium F2 | 2015/06/16 12:15 | Schutt, Leon v Saive, Thibault | 6-1,6-3 |
| ITF Belgium F1 | 2015/06/10 15:55 | Schutt, Leon v Botic Van De Zandschulp | 4-6,6-3,3-6 |
| ITF Egypt F33 | 2015/04/23 09:15 | Schutt, Leon v Sabry, Sherif | 3-6,3-6 |
| ITF Egypt F33 | 2015/04/15 08:00 | Smirnov, Artem v Schutt, Leon | 6-2,6-3 |
| ITF Germany F7 | 2015/07/13 08:00 | Schutt, Leon v Onken, Julian | 6-1,4-6,7-6 |
| ITF Germany F7 | 2015/07/13 08:00 | Rother, Jannik v Onken, Julian | 3-6,6-3,0-6 |
| ITF Germany F7 | 2015/07/12 08:00 | Sigurdsson, Egill v Onken, Julian | 1-6,1-6 |
| ITF Germany F4 | 2015/01/26 11:30 | Arends, Sander v Onken, Julian | 6-1,6-3 |
| ITF Germany F16 | 2014/10/12 07:30 | Onken, Julian v Charlos, Tomas | 2-6,6-4,6-3 |
| ITF Germany F7 | 2014/07/06 08:30 | Hess-Olesen, Soren v Onken, Julian | 6-4,6-0 |