Stadium: Italcementi Round: 26 Ground: Hardcourt indoor
| Challenger Poznan MD | 2021/07/31 16:25 | Kolar/Lehecka v Drzewiecki/Vukic | 6-4,3-6,10-5 |
| Challenger Poznan MD | 2021/07/30 14:30 | Romboli F / Vega Hernandez D v Kolar/Lehecka | 7-6,4-6,8-10 |
| Challenger Poznan MD | 2021/07/28 11:00 | King E / Schnur M v Kolar/Lehecka | 6-7,5-7 |