Stadium: M (CC) Round: 26 Ground: Clay
| ITF M15 Oldenzaal | 2021/08/18 08:00 | Christoph Negritu v Marc Dijkhuizen | 6-1,6-4 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:35 | Christoph Negritu v Tim Handel | 4-6,6-2,6-10 |
| ITF M25 Frankfurt am Main | 2021/08/09 12:45 | Christoph Negritu v Sven Corbinais | 6-1,6-1 |
| ITF M25 Marburg | 2021/07/06 12:30 | Christoph Negritu v Maik Steiner | 7-6,5-7,8-10 |
| ITF M25 Marburg | 2021/07/05 10:35 | Christoph Negritu v Dax Donders | 7-6,7-6 |
| Challenger Heilbronn | 2021/05/09 11:55 | Christoph Negritu v Aleksandar Vukic | 5-7,2-6 |
| ITF M15 Monastir | 2021/04/25 08:30 | Igor Marcondes v Christoph Negritu | 2-6,2-6 |
| ITF M15 Monastir | 2021/04/24 09:30 | Omar Giacalone v Christoph Negritu | 4-6,2-6 |
| ITF M15 Oldenzaal | 2021/08/18 09:55 | Ignacio Monzon v Damien Wenger | 2-6,0-6 |
| ATP Gstaad | 2021/07/17 08:30 | Steven Diez v Damien Wenger | 6-2,6-4 |
| ITF M15 Poprad | 2021/07/11 07:55 | Damien Wenger v Tomas Jirousek | 6-2,7-5 |
| ITF M15 Poprad | 2021/07/10 10:40 | Milos Karol v Damien Wenger | 3-6,6-1,2-6 |
| ITF M15 Poprad | 2021/07/09 07:55 | Cezar Cretu v Damien Wenger | 4-6,1-6 |
| ITF M15 Poprad | 2021/07/08 08:00 | Dominik Palan v Damien Wenger | 5-7,1-6 |
| ITF M15 Poprad | 2021/07/07 11:35 | Kristof Minarik v Damien Wenger | 0-6,1-6 |
| ITF M25 Bourg-en-Bresse | 2021/07/02 10:00 | Franco Agamenone v Damien Wenger | 6-1,6-2 |