Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| Challenger Maia | 2021/12/17 15:00 | Andrej Martin v Sebastian Fanselow | 6-2,6-2 |
| Challenger Maia | 2021/12/16 10:00 | Sebastian Fanselow v Goncalo Oliveira | 7-6,6-4 |
| Challenger Maia | 2021/12/14 11:00 | Sebastian Fanselow v Fabio Coelho | 6-3,3-6,6-3 |
| Challenger Bari | 2021/11/25 10:30 | Oscar Otte v Sebastian Fanselow | 6-3,6-7,7-5 |
| Challenger Bari | 2021/11/23 09:00 | Sebastian Fanselow v Dominic Stephan Stricker | 4-6,6-4,7-5 |
| Challenger Bari | 2021/11/22 10:10 | Sebastian Fanselow v Matteo Gigante | 2-6,7-5,6-2 |
| Challenger Pau | 2021/11/18 19:15 | Sebastian Fanselow v Holger Rune | 2-6,2-6 |
| Challenger Pau | 2021/11/17 12:40 | Hiroki Moriya v Sebastian Fanselow | 6-7,4-6 |
| ITF M25 Portimao | 2021/10/24 14:00 | Batiste Guerra v Nicolas Affolter | 2-6,1-6 |
| ITF M25 Muttenz | 2021/08/16 08:00 | Batiste Guerra v Johann Lars | 0-6,2-6 |
| ITF M25 Uriage | 2021/07/11 15:30 | Elijah Poritzky v Batiste Guerra | 6-2,6-3 |