Stadium: Center Court Round: 54 Ground: Clay
| ITF Germany F13 | 2018/08/19 14:00 | Julian Lenz v Laurin Aerne | 6-1,6-1 |
| Challenger Meerbusch Qual | 2018/08/11 13:20 | Raul Brancaccio v Julian Lenz | 6-1,6-2 |
| Challenger Pullach Qual | 2018/08/05 10:00 | Julian Lenz v Gianluca Mager | 4-6,3-6 |
| Challenger Pullach Qual | 2018/08/04 09:00 | Marc Sieber v Julian Lenz | 4-6,6-4,4-6 |
| ITF Germany F8 | 2018/07/21 14:35 | Orlando Luz v Julian Lenz | 6-3,6-3 |
| ITF Germany F8 | 2018/07/20 15:10 | Bruno Santanna v Julian Lenz | 6-2,1-6,2-6 |
| ITF Germany F8 | 2018/07/19 15:40 | Julian Lenz v Jordi Samper-Montana | 6-1,6-2 |
| ITF Germany F8 | 2018/07/17 15:45 | Pedro Sakamoto v Julian Lenz | 5-7,1-6 |
| ITF Germany F13 | 2018/08/19 14:00 | Bjorn Nareyka v Marvin Rehberg | 1-6,5-7 |
| ITF Germany F12 | 2018/08/12 10:30 | Marvin Rehberg v Constantin Schmitz | 3-6,0-6 |
| ITF Germany F11 | 2018/08/05 12:00 | Benjamin Hassan v Marvin Rehberg | 6-3,6-4 |
| ITF Germany F11 | 2018/08/05 08:00 | Marvin Rehberg v Constantinos Papavasiliou | 6-1,6-2 |
| ITF Germany F9 | 2018/07/22 11:00 | Tillmann Erdbories v Marvin Rehberg | 7-5,6-3 |
| ITF Germany F8 Qual | 2018/07/16 11:55 | Marvin Rehberg v Pavle Daljev | 7-5,6-7,3-6 |
| ITF Germany F8 Qual | 2018/07/15 14:30 | Cameron Green v Marvin Rehberg | 6-7,1-6 |
| ITF Germany F7 | 2018/07/09 08:00 | Aziz Kijametovic v Marvin Rehberg | 6-2,6-1 |