Stadium: Glaubandich Court Round: 26 Ground: Hardcourt indoor
| ATP Vienna MD | 2021/10/24 15:50 | Erler/Miedler v Gille/Koepfer | 7-5,6-4 |
| ATP Vienna MD | 2021/10/23 16:35 | Bolelli/Gonzalez v Erler/Miedler | 3-6,2-6 |
| Challenger Barcelona MD | 2021/10/08 12:20 | Erler/Miedler v Borges/Cabral | 6-7,4-6 |
| 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 |
| ATP Antwerp MD | 2021/10/21 12:20 | Marach/Oswald v Mahut/Martin | 6-7,4-6 |
| ATP Antwerp MD | 2021/10/20 13:45 | Marach/Oswald v Erlich/Goransson | 4-6,6-4,10-6 |
| ATP Sofia MD | 2021/10/03 11:00 | O'Mara/Skupski v Marach/Oswald | 6-3,6-4 |
| ATP Sofia MD | 2021/10/02 10:05 | Marach/Oswald v Gonzalez/Molteni | 2-6,7-5,10-6 |
| ATP Sofia MD | 2021/09/30 14:55 | Demoliner/Matos v Marach/Oswald | 6-7,6-7 |
| ATP Sofia MD | 2021/09/28 11:00 | Bopanna/Qureshi v Marach/Oswald | 2-6,7-6,7-10 |
| ATP Metz MD | 2021/09/22 13:20 | Marach/Oswald v Hurkacz/Zielinski | 3-6,4-6 |
| ATP Metz MD | 2021/09/21 13:40 | Marach/Oswald v Mahut/Pospisil | 6-4,6-3 |