Stadium: Court 3 Round: 26 Ground: Clay
| Challenger Bratislava | 2021/11/07 09:30 | Marvin Moeller v Christopher Heyman | 7-6,6-4 |
| Challenger Eckental | 2021/11/02 09:00 | Marc-Andrea Huesler v Christopher Heyman | 6-1,6-1 |
| Challenger Eckental | 2021/11/01 10:00 | Mischa Zverev v Christopher Heyman | 3-6,6-3,2-6 |
| Challenger Eckental | 2021/10/31 10:00 | Aldin Setkic v Christopher Heyman | 4-6,5-7 |
| ITF M25 Nevers | 2021/10/06 13:00 | Christopher Heyman v Luca Van Assche | 4-6,6-7 |
| Challenger Lisbon | 2021/09/26 10:45 | Christopher Heyman v Lucas Gerch | 4-6,7-6,5-7 |
| Challenger Biel | 2021/09/19 09:30 | Jakub Paul v Christopher Heyman | 7-6,4-6,7-5 |
| Challenger Istanbul | 2021/09/16 08:00 | Yasutaka Uchiyama v Christopher Heyman | 3-6,6-3,6-4 |
| Challenger Pau | 2021/11/14 13:55 | Robin Bertrand v Sebastian Fanselow | 4-6,3-6 |
| ITF M15 Monastir | 2021/11/10 10:45 | Jarno Jans v Robin Bertrand | 6-3,7-5 |
| ITF M15 Monastir | 2021/11/04 12:30 | Ugo Blanchet v Robin Bertrand | 6-1,6-3 |
| ITF M15 Monastir | 2021/11/03 08:30 | Robin Bertrand v Gage Brymer | 7-6,6-2 |
| ITF M15 Monastir | 2021/11/01 13:00 | Robin Bertrand v Warren Wood | 6-4,3-6,10-8 |
| ITF M15 Monastir | 2021/11/01 08:00 | Robin Bertrand v Linghao Zhang | 6-3,6-3 |
| ITF M15 Monastir | 2021/10/28 09:20 | Viktor Jovic v Robin Bertrand | 0-6,7-6,7-5 |
| ITF M15 Monastir | 2021/10/26 10:00 | Robin Bertrand v Christoph Negritu | 6-2,3-6,6-2 |