Stadium: Center Court Round: 28 Ground: Clay
| Challenger Heilbronn Qual | 2018/05/13 09:00 | Christoph Negritu v Igor Sijsling | 4-6,0-6 |
| Challenger Heilbronn Qual | 2018/05/12 09:00 | Dmitry Surchenko v Christoph Negritu | 5-7,1-6 |
| ITF Tunisia F15 | 2018/04/17 11:10 | Christoph Negritu v Samm Butler | 3-6,3-6 |
| ITF Tunisia F14 | 2018/04/13 09:00 | Christoph Negritu v Baptiste Crepatte | 2-6,3-6 |
| ITF Tunisia F14 | 2018/04/12 09:00 | Christoph Negritu v Quentin Robert | 5-7,6-3,6-2 |
| ITF Tunisia F14 | 2018/04/10 09:00 | Michal Konecny v Christoph Negritu | 4-6,4-6 |
| ITF Tunisia F13 | 2018/04/07 09:00 | David Perez Sanz v Christoph Negritu | 6-4,6-2 |
| ITF Tunisia F13 | 2018/04/06 10:50 | Christoph Negritu v Clement Tabur | 7-6,6-3 |
| ITF Czech Republic F2 | 2018/05/23 12:20 | Kai Wehnelt v Peter Heller | 1-6,3-6 |
| ITF Czech Republic F1 | 2018/05/17 08:00 | Kai Wehnelt v Michal Konecny | 7-6,6-7,6-7 |
| ITF Czech Republic F1 | 2018/05/16 08:00 | Bruno Santanna v Kai Wehnelt | 6-7,4-6 |
| ITF Czech Republic F1 | 2018/05/14 08:00 | Kai Wehnelt v Alex Solanki | 6-1,6-1 |
| ITF Qatar F3 | 2018/03/13 13:20 | Kai Wehnelt v Omar Giacalone | 3-6,2-6 |
| ITF Qatar F3 Qual | 2018/03/12 12:00 | Matej Vocel v Kai Wehnelt | 3-6,0-6 |
| ITF Qatar F3 Qual | 2018/03/11 15:40 | Tihomir Grozdanov v Kai Wehnelt | 1-6,1-6 |
| ITF Qatar F2 | 2018/03/06 12:00 | Kai Wehnelt v Scott Griekspoor | 2-6,3-6 |