Round: 44 Ground: Carpet indoor
| ITF Tunisia F33 | 2015/11/22 08:30 | Patrik Niklas-Salminen v Marvin Greven | 6-2,6-1 |
| ITF Tunisia F32 | 2015/11/15 09:00 | Marvin Greven v Jurgen Briand | 5-7,4-6 |
| ITF Netherlands F6 | 2015/08/22 08:00 | Marvin Greven v Gijs Brouwer | 4-6,2-6 |
| Challenger Meerbusch | 2015/08/18 14:00 | Facundo Arguello v Marvin Greven | 6-2,7-5 |
| ITF Germany F9 | 2015/07/27 11:00 | George Von Massow v Marvin Greven | 6-1,6-2 |
| ITF Germany F7 | 2015/07/12 08:00 | Marvin Greven v Lucas Gerch | 0-6,1-6 |
| ITF Germany F6 | 2015/07/05 11:30 | Nicolas Ancedy v Marvin Greven | 4-6,6-1,5-7 |
| ITF Germany F5 | 2015/06/28 13:00 | George Von Massow v Marvin Greven | 6-4,6-2 |
| ITF Germany F15 | 2015/10/04 10:00 | Louis Wessels v Torben Steinorth | 6-2,6-2 |
| ITF Germany F4 | 2015/01/25 08:00 | Torben Steinorth v Luca Gelhardt | 1-6,1-6 |