Estadio: Court 2 Round: 26 Ground: Clay
| Challenger de Salzburgo - Dobles Masculinos | 2021/07/06 14:10 | Huesler/Miedler v Heller/Vanneste | 7-5,6-4 |
| ITF 15 Antalya - Dobles Masculinos | 2021/05/06 11:55 | Eremin/Massara v Heller/Vanneste | 5-7,6-7 |
| ITF 15 Antalya - Dobles Masculinos | 2021/05/04 11:00 | Arabaci/Saritas v Heller/Vanneste | 2-6,4-6 |
| ITF 15 Antalya - Dobles Masculinos | 2021/04/27 13:25 | Heller/Vanneste v Ehrat/Martinez | 6-7,4-6 |
| ITF M25 Meerbusch - Dobles Masculinos | 2021/04/16 15:10 | Durasovic/Eriksson v Heller/Vanneste | 1-6,7-5,10-8 |
| ITF M25 Meerbusch - Dobles Masculinos | 2021/04/15 15:00 | Pichler/Wehnelt v Heller/Vanneste | 7-5,6-7,7-10 |
| ITF M25 Meerbusch - Dobles Masculinos | 2021/04/14 13:45 | Visker/Zima v Heller/Vanneste | 2-6,4-6 |
| ITF 15 Antalya - Dobles Masculinos | 2021/03/20 11:50 | Heller/Vanneste v Bertuccioli/Den Heijer | 6-1,6-1 |
| Challenger de Gran Canaria - Dobles Masculinos | 2021/02/25 16:40 | Drzewiecki/Oliveira v Bortolotti/Pellegrino | 3-6,7-6,10-6 |
| Challenger de Gran Canaria - Dobles Masculinos | 2021/02/24 16:45 | Diez/Moroni v Bortolotti/Pellegrino | 2-6,4-6 |