| 10.11.21 | 1er ronda | Filip Horansky/Sergiy Stakhovsky | Zdenek Kolar/Jiri Lehecka | 7-66, 6-74, 10-7 |  | match details | Bratislava Challenger | I. difÃcil |
| 06.11.21 | fin | Zdenek Kolar/Jiri Lehecka | Lloyd Glasspool/Harri Heliovaara | 6-4, 6-4 |  | match details | Bergamo Challenger | I. difÃcil |
| 05.11.21 | 1/2 | Zdenek Kolar/Jiri Lehecka | Radu Albot/Artem Sitak | 6-3, 2-6, 10-6 |  | match details |
| 04.11.21 | 1/4 | Zdenek Kolar/Jiri Lehecka | Romain Arneodo/Sergiy Stakhovsky | 6-4, 2-6, 10-6 |  | match details |
| 02.11.21 | 1er ronda | Zdenek Kolar/Jiri Lehecka | Filippo Baldi/Luca Nardi | 6-2, 6-2 |  | match details |
| 31.07.21 | fin | Zdenek Kolar/Jiri Lehecka | Karol Drzewiecki/Aleksandar Vukic | 6-4, 3-6, 10-5 |  | match details | Poznan Challenger | Arcilla |
| 30.07.21 | 1/2 | Zdenek Kolar/Jiri Lehecka | Fernando Romboli/David Vega Hernandez | 6-74, 6-4, 10-8 |  | match details |
| 29.07.21 | 1/4 | Zdenek Kolar/Jiri Lehecka | Pedro Cachin/Bernabe Zapata Miralles | Pedro Cachin/Bernabe Zapata Miralles - walk over |  | match details |
| 28.07.21 | 1er ronda | Zdenek Kolar/Jiri Lehecka | Evan King/Max Jacob Schnur | 7-65, 7-5 |  | match details |