Stadium: Pista 2 Round: 29 Ground: Hardcourt outdoor
| Challenger Mallorca MD | 2021/09/03 15:00 | Verdugo/Reyes-Varela v Drzewiecki/Martos Gornes | 6-7,6-4,8-10 |
| Challenger Mallorca MD | 2021/08/31 13:20 | Drzewiecki/Martos Gornes v Geerts/Roelofse | 7-6,6-2 |
| Challenger Warsaw MD | 2021/08/25 14:50 | Drzewiecki/Martos Gornes v Margaroli/Oliveira | 5-7,2-6 |
| Challenger Luedenscheid MD | 2021/08/18 09:00 | Drzewiecki/Martos Gornes v Sabanov/Sabanov | 5-7,2-6 |
| Challenger Milan MD | 2021/06/22 16:45 | Drzewiecki/Martos Gornes v Romboli/Schnur | 4-6,6-7 |
| Challenger Aix en Provence MD | 2021/06/18 12:00 | Galloway/Lawson v Drzewiecki/Martos Gornes | 6-3,7-5 |
| Challenger Aix en Provence MD | 2021/06/17 15:45 | Drzewiecki/Martos Gornes v Romboli/Vega Hernandez | 6-3,3-6,12-10 |
| Challenger Aix en Provence MD | 2021/06/16 09:00 | Drzewiecki/Martos Gornes v Cuevas/Varillas | 7-5,6-2 |
| Challenger Mallorca MD | 2021/09/03 18:10 | Balaji/Ramanathan v Romboli/Zielinski | 2-6,6-7 |
| Challenger Mallorca MD | 2021/09/02 19:00 | Gonzales/Johnson v Romboli/Zielinski | 6-3,1-6,11-13 |
| Challenger Mallorca MD | 2021/09/01 19:20 | Matsui/Uesugi v Romboli/Zielinski | 7-5,6-7,10-12 |
| Challenger Warsaw MD | 2021/08/28 11:30 | Manafov/Matuszewski v Romboli/Zielinski | 7-6,3-6,10-6 |
| Challenger Split MD | 2020/09/30 09:00 | Luz/Matos v Romboli/Zielinski | 7-6,4-6,10-7 |