Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| Challenger Nur-Sultan MD | 2021/02/26 11:30 | Molchanov/Nedovyesov v Lenz/Quiroz | 4-6,6-3,10-4 |
| Challenger Nur-Sultan MD | 2021/02/25 08:25 | Lenz/Quiroz v Grenier/Muller | 6-4,6-3 |
| Challenger Nur-Sultan MD | 2021/02/24 13:55 | Lenz/Quiroz v Nedelko/Peniston | 6-2,7-6 |
| Challenger Oeiras MD | 2021/05/22 13:00 | Doumbia/Reboul v Reese/Verbeek | 6-4,4-6,7-10 |
| Challenger Oeiras MD | 2021/05/21 10:00 | Johnson/Schnur v Doumbia/Reboul | 6-7,3-6 |
| Challenger Oeiras MD | 2021/05/20 10:00 | Jebavy/Vesely v Doumbia/Reboul | 2-6,7-6,7-10 |
| Challenger Oeiras MD | 2021/05/19 14:40 | Doumbia/Reboul v Dellien/Mayer | 6-4,6-3 |
| Challenger Biella MD | 2021/05/07 13:05 | Goransson/Lammons v Doumbia/Reboul | 7-6,6-3 |
| Challenger Biella MD | 2021/05/06 16:50 | Doumbia/Reboul v Coppejans/Menezes | 6-4,6-1 |
| Challenger Biella MD | 2021/05/04 14:55 | Doumbia/Reboul v Bortolotti/Rodriguez | 7-6,6-7,10-2 |
| Challenger Rome MD | 2021/05/01 09:30 | Andreozzi/Duran v Doumbia/Reboul | 5-7,3-6 |