Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| Challenger Split - Doubles Hommes | 2021/04/07 11:25 | Raja/Weissborn v Kekez/Poljicak | 6-2,6-3 |
| Challenger - Lugano - Doubles Hommes | 2021/03/25 14:20 | Walkow S / Zielinski J v Raja/Weissborn | 6-4,6-2 |
| Challenger - Lugano - Doubles Hommes | 2021/03/23 17:15 | Golubev/Tiurnev v Raja/Weissborn | 4-6,6-3,7-10 |
| Challenger Biella MD | 2021/03/19 17:35 | Glasspool/Reid v Raja/Weissborn | 4-6,6-4,10-7 |
| Challenger Biella MD | 2021/03/18 13:20 | Raja/Weissborn v Halys/Pouille | 6-4,4-6,10-7 |
| Challenger Biella MD | 2021/03/17 15:25 | Santillan/Tomic v Raja/Weissborn | 2-6,7-5,3-10 |
| ATP - Marseille - Doubles Hommes | 2021/03/10 14:00 | Raja/Weissborn v Lammons/Withrow | 4-6,6-7 |
| Challenger Split - Doubles Hommes | 2021/04/07 13:25 | Ajdukovic/Jakic v Kolar Z / Rosol L | 4-6,1-6 |
| Challenger - Prostejov - Doubles Hommes | 2020/09/11 12:30 | Balaji/Sharan v Kolar Z / Rosol L | 2-6,6-2,6-10 |
| Challenger - Prostejov - Doubles Hommes | 2020/09/10 14:00 | Arends S / Pel D v Kolar Z / Rosol L | 1-6,6-1,7-10 |
| Challenger - Prostejov - Doubles Hommes | 2020/09/09 14:15 | Kolar Z / Rosol L v Erlich J / Vasilevski A | 6-4,6-4 |
| Challenger - Prostejov - Doubles Hommes | 2020/09/08 15:15 | Kolar Z / Rosol L v Galloway R / Hach Verdugo H | 6-3,7-5 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/03 14:00 | Sitak/Zelenay v Kolar Z / Rosol L | 6-3,6-7,10-7 |
| Challenger - Ostrava - Doubles Hommes | 2020/09/02 14:00 | Diez/Ivashka v Kolar Z / Rosol L | 6-7,6-7 |
| Challenger - Prague - Doubles Hommes | 2020/08/22 11:00 | Kolar Z / Rosol L v Herbert/Rinderknech | 3-6,4-6 |