Stadion: Cancha 11 Round: 26 Ground: Clay
| Challenger - Losinj - Herrendoppel | 2021/10/23 13:15 | Martin/Weissborn v Cornea/Kirkin | 6-1,7-6 |
| Challenger - Losinj - Herrendoppel | 2021/10/23 10:00 | Martin/Weissborn v Cerretani/Fallert | 6-3,6-4 |
| Challenger - Losinj - Herrendoppel | 2021/10/21 14:55 | Doumbia/Reboul v Martin/Weissborn | 2-6,3-6 |
| Challenger - Losinj - Herrendoppel | 2021/10/20 12:55 | Barranco Cosano/Lopez San Martin v Martin/Weissborn | 3-6,5-7 |
| Challenger - Neapel - Herrendoppel | 2021/10/14 14:45 | Martin/Weissborn v Doumbia/Reboul | 6-7,3-6 |
| Challenger - Neapel - Herrendoppel | 2021/10/12 15:00 | Baldi/Margaroli v Martin/Weissborn | 1-6,1-6 |
| Challenger - Neapel - Herrendoppel | 2021/10/08 15:00 | Basic/Serdarusic v Martin/Weissborn | 7-6,7-5 |
| Challenger - Neapel - Herrendoppel | 2021/10/08 12:00 | Martin/Weissborn v Doumbia/Reboul | 7-5,2-6,10-7 |
| Challenger - Buenos Aires - Herrendoppel | 2022/01/05 17:20 | Lama/Moreno De Alboran v Andreozzi/Lipovsek Puches | 4-6,2-6 |