Stadium: Center Court Round: 54
| Challenger Braunschweig Qual | 2018/07/07 12:05 | Joao Souza v Marvin Netuschil | 2-6,6-2,3-6 |
| Challenger Braunschweig Qual | 2018/07/07 07:30 | Leonard Von Hindte v Marvin Netuschil | 6-7,2-6 |
| Challenger Marburg Qual | 2018/07/01 09:00 | Tristan Lamasine v Marvin Netuschil | 6-2,3-6,6-0 |
| Challenger Marburg Qual | 2018/06/30 08:00 | Marvin Netuschil v Kimmer Coppejans | 6-4,3-6,6-1 |
| ITF Germany F5 | 2018/06/28 16:35 | Marvin Netuschil v Dimitar Kuzmanov | 3-6,1-6 |
| ITF Germany F5 | 2018/06/27 16:00 | Denis Klok v Marvin Netuschil | 3-6,3-6 |
| ITF Belgium F1 | 2018/06/24 13:00 | Marvin Netuschil v Jaume Pla Malfeito | 6-2,6-3 |
| ITF Belgium F1 | 2018/06/23 14:00 | Marvin Netuschil v Clement Geens | 7-6,6-1 |
| Challenger Braunschweig Qual | 2018/07/07 12:30 | George Von Massow v Mariano Kestelboim | 4-6,6-2,3-6 |
| ITF Czech Republic F4 | 2018/06/26 10:20 | Mariano Kestelboim v Tadeas Paroulek | 5-7,3-6 |
| ITF Hungary F4 | 2018/06/12 10:20 | Tim Van Rijthoven v Mariano Kestelboim | 6-3,6-4 |
| ITF Italy F6 | 2018/04/03 13:55 | Mariano Kestelboim v Billy Harris | 4-6,1-6 |
| ITF Tunisia F12 | 2018/03/31 09:00 | Hernan Casanova v Mariano Kestelboim | 6-1,6-3 |
| ITF Tunisia F12 | 2018/03/30 08:30 | Mariano Kestelboim v Clement Geens | 6-1,6-3 |
| ITF Tunisia F12 | 2018/03/29 08:30 | Mariano Kestelboim v Tomislav Jotovski | 6-2,6-1 |
| ITF Tunisia F12 | 2018/03/28 14:00 | Mariano Kestelboim v Dan Dowson | 6-3,6-0 |