Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Challenger Lexington MD | 2021/07/27 20:40 | Dostanic/Nanda v Vance/Whiting | 6-4,6-2 |
| ITF M15 Edwardsville MD | 2021/07/20 16:30 | Vance/Whiting v Schoolkate/Sweeny | 2-6,6-3,8-10 |
| ATP Hamburg MD | 2021/07/10 15:15 | Vance/Whiting v Giannessi/Taberner | 6-7,6-2,6-10 |
| Challenger Orlando MD | 2021/06/10 18:10 | Aragone/Barrientos v Vance/Whiting | 6-4,6-0 |
| Challenger Orlando MD | 2021/06/08 20:05 | Vance/Whiting v Nedunchezhiyan/Raja | 6-3,3-6,10-7 |
| Challenger Prague MD | 2021/08/28 14:30 | Krumich/Paulson v Cornea/Tsitsipas | 3-6,6-3,8-10 |
| 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 |