Stadium: Stadium 3 Round: 26 Ground: Hardcourt outdoor
| ATP Los Cabos MD | 2021/07/21 01:45 | Huey/Johnson v Doumbia/Reboul | 7-6,6-7,11-9 |
| ATP Newport MD | 2021/07/14 19:00 | Sousa/Thompson v Doumbia/Reboul | 6-4,6-2 |
| Challenger Salzburg MD | 2021/07/08 15:00 | Erler/Neuchrist v Doumbia/Reboul | 6-4,6-4 |
| Challenger Salzburg MD | 2021/07/07 10:00 | Cornea/Merino v Doumbia/Reboul | 3-6,6-4,2-10 |
| Challenger Porto MD | 2021/07/01 14:55 | Doumbia/Reboul v Olivo/Reyes-Varela | 7-6,4-6,7-10 |
| Challenger Milan MD | 2021/06/25 12:00 | Doumbia/Reboul v Kopriva/Lehecka | 5-7,3-6 |
| Challenger Milan MD | 2021/06/24 10:00 | Passaro/Vanni v Doumbia/Reboul | 1-6,4-6 |
| Challenger Milan MD | 2021/06/23 09:00 | Galdos/Luz v Doumbia/Reboul | 3-6,6-3,6-10 |
| Challenger Ostrava MD | 2021/04/28 14:30 | Balaji/Nedunchezhiyan v Polansky/Schnur | 6-3,6-3 |
| Challenger Tallahassee MD | 2021/04/20 22:50 | Ebden/Novikov v Polansky/Schnur | 6-3,6-3 |
| Challenger Nur-Sultan MD | 2021/03/04 08:50 | Polansky/Schnur v Lomakin/Manafov | 6-3,6-2 |
| Challenger Nur-Sultan MD | 2021/03/03 07:30 | Polansky/Schnur v Fomin/Tashbulatov | 6-2,7-6 |
| Challenger Nur-Sultan MD | 2021/02/25 11:30 | Istomin/Yevseyev v Polansky/Schnur | 6-0,6-3 |
| Challenger Nur-Sultan MD | 2021/02/23 13:15 | Skatov/Tashbulatov v Polansky/Schnur | 2-6,1-6 |
| Challenger Potchefstroom MD | 2021/02/13 12:30 | Polansky/Schnur v Huesler/Kolar | 4-6,6-2,4-10 |
| Challenger Potchefstroom MD | 2021/02/12 13:55 | Klaasen/Roelofse v Polansky/Schnur | 3-6,4-6 |