Stadium: Centre Court Round: 29 Ground: Clay
| Challenger Prague MD | 2021/08/28 12:00 | Agamenone/Casanova v Krumich/Paulson | 6-2,6-7,4-10 |
| Challenger Prague MD | 2021/08/26 11:50 | Fallert/Johnson v Krumich/Paulson | 4-6,6-2,4-10 |
| Challenger Prague MD | 2021/08/24 11:50 | Gabashvili/Vatutin v Krumich/Paulson | 1-6,6-7 |
| Challenger Prague MD | 2021/08/26 14:10 | Geerts/Peniston v Cornea/Tsitsipas | 3-6,6-3,12-14 |
| Challenger Prague MD | 2021/08/24 11:45 | Jenicek/Kodat v Cornea/Tsitsipas | 4-6,5-7 |
| ITF M25 Bolzano MD | 2021/08/06 13:00 | Cornea/Tsitsipas v Bortolotti/Dutra Da Silva | 6-3,6-4 |
| ITF M25 Bolzano MD | 2021/08/06 08:25 | Cornea/Tsitsipas v Maggioli/Picchione | 6-3,6-3 |
| ITF M25 Bolzano MD | 2021/08/05 14:45 | Cornea/Tsitsipas v Pozzi/Weis | 6-2,6-2 |
| ITF M25 Bolzano MD | 2021/08/04 11:25 | Cornea/Tsitsipas v Fellin/Figl | 7-5,6-2 |
| Challenger Poznan MD | 2021/07/29 13:05 | Romboli/Vega Hernandez v Cornea/Tsitsipas | 2-6,7-6,10-3 |
| Challenger Poznan MD | 2021/07/28 16:00 | Cornea/Tsitsipas v Leo Borg/Orlikowski | 6-2,6-4 |