Stadium: Pista 2 Round: 28 Ground: Clay
| Challenger Barcelona - MD | 2021/10/07 10:55 | Gonzales/Kadhe v Erler/Miedler | 3-6,6-7 |
| Challenger Barcelona - MD | 2021/10/06 13:00 | Barranco Cosano/Popko v Erler/Miedler | 4-6,4-6 |
| Challenger Sibiu - MD | 2021/10/02 12:00 | Cerretani/Margaroli v Erler/Miedler | 3-6,1-6 |
| Challenger Sibiu - MD | 2021/10/01 11:25 | Gonzales/Johnson v Erler/Miedler | 3-6,5-7 |
| Challenger Sibiu - MD | 2021/10/01 08:00 | Dancu/Gima v Erler/Miedler | 5-7,2-6 |
| Challenger Sibiu - MD | 2021/09/30 09:35 | Palosi/Popescu v Erler/Miedler | 0-6,3-6 |
| Challenger Bukareszt - MD | 2021/09/23 14:10 | Jecan/Tomescu v Erler/Miedler | 0-6,6-4,11-9 |
| Challenger Bukareszt - MD | 2021/09/21 11:55 | Bonadio/Travaglia v Erler/Miedler | 3-6,3-6 |
| Challenger Barcelona - MD | 2021/10/07 12:00 | Borges/Cabral v Molchanov/Vega Hernandez | 6-4,6-3 |
| Challenger Barcelona - MD | 2021/10/06 09:00 | M Pujolras/Robredo v Borges/Cabral | 3-6,3-6 |
| Challenger Lisbon - MD | 2021/10/02 13:20 | Nedunchezhiyan/Raja v Borges/Cabral | 7-6,6-3 |
| Challenger Lisbon - MD | 2021/10/01 12:40 | Borges/Cabral v Fallert/Heller | 6-2,6-2 |
| Challenger Lisbon - MD | 2021/09/30 15:30 | Borges/Cabral v Fanselow/Gerch | 6-4,6-4 |
| Challenger Lisbon - MD | 2021/09/29 10:40 | Gomes/Rocha v Borges/Cabral | 3-6,3-6 |
| Challenger Braga - MD | 2021/09/25 11:00 | Borges/Cabral v De Jong/Stevens | 6-3,6-7,10-5 |
| Challenger Braga - MD | 2021/09/24 15:30 | Faria/Faria v Borges/Cabral | 7-6,3-6,7-10 |