Round: 44 Ground: Hardcourt outdoor
| ITF Turkey F35 | 2017/09/17 11:00 | Alexandar Lazarov v Marvin Greven | 6-3,6-4 |
| ITF Turkey F35 | 2017/09/16 11:00 | Marvin Greven v Bulut Ozcelik | 6-3,6-2 |
| ITF Turkey F34 | 2017/09/09 10:30 | Marvin Greven v Louroi Martinez | 5-7,2-6 |
| ITF Belgium F12 Qual | 2017/09/03 15:00 | Marvin Greven v Arnaud Graisse | 5-7,3-6 |
| ITF Netherlands F7 | 2017/08/27 10:00 | Niklas Guttau v Marvin Greven | 6-2,1-6,6-1 |
| ITF Netherlands F7 | 2017/08/26 09:00 | Tom Clavel v Marvin Greven | 3-6,2-6 |
| Challenger Meerbusch Qual | 2017/08/12 10:30 | Marvin Greven v Juan Ignacio Galarza | 3-6,2-6 |
| ITF Germany F10 | 2017/08/07 12:00 | Marvin Greven v Maikel Borg | 2-6,5-7 |
| ITF Romania F5 | 2017/06/26 10:00 | Cristian Florentin Voinea v Vasile-Alexandru Ghilea | 3-6,3-6 |
| ITF Romania F4 | 2017/06/21 12:25 | Michiel de Krom v Cristian Florentin Voinea | 7-5,6-7,6-2 |
| ITF Romania F4 | 2017/06/20 09:00 | Edris Fetisleam v Cristian Florentin Voinea | 6-2,6-3 |
| ITF Romania F4 | 2017/06/19 10:00 | Ioan Dan Abrudan v Cristian Florentin Voinea | 3-6,2-6 |
| ITF Romania F4 | 2017/06/18 12:00 | Valentin Popescu v Cristian Florentin Voinea | 3-6,3-6 |
| ITF Romania F1 | 2017/05/16 09:10 | Yannick Mertens v Cristian Florentin Voinea | 6-3,6-4 |
| ITF Romania F4 | 2017/05/15 07:30 | Mirko Cutuli v Cristian Florentin Voinea | 6-2,7-6 |
| ITF Romania F4 | 2017/05/14 09:00 | Sorin Andrei Iordache v Cristian Florentin Voinea | 6-7,3-6 |