Estadio: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger de Lugano - Dobles Masculinos | 2021/03/25 14:20 | Walkow/Zielinski v Raja/Weissborn | 6-4,6-2 |
| Challenger de Lugano - Dobles Masculinos | 2021/03/23 17:15 | Golubev/Tiurnev v Raja/Weissborn | 4-6,6-3,7-10 |
| Challenger de Biella - Dobles Masculinos | 2021/03/19 17:35 | Glasspool/Reid v Raja/Weissborn | 4-6,6-4,10-7 |
| Challenger de Biella - Dobles Masculinos | 2021/03/18 13:20 | Raja/Weissborn v Halys/Pouille | 6-4,4-6,10-7 |
| Challenger de Biella - Dobles Masculinos | 2021/03/17 15:25 | Santillan/Tomic v Raja/Weissborn | 2-6,7-5,3-10 |
| ATP Marsella - Dobles Masculinos | 2021/03/10 14:00 | Raja/Weissborn v Lammons/Withrow | 4-6,6-7 |
| Challenger de Zadar - Dobles Masculinos | 2021/03/25 12:50 | Kavcic/Rola v Kekez/Poljicak | 6-4,6-3 |
| Challenger de Zadar - Dobles Masculinos | 2021/03/23 16:10 | Kekez/Poljicak v Reyes-Varela/Romboli | 4-6,6-3,10-1 |