Stadium: Court 2 De Luigi Round: 27 Ground: Clay
| Challenger San Marino MD | 2021/08/11 16:00 | Doumbia/Reboul v Janvier/Martineau | 7-6,6-3 |
| Challenger Lexington MD | 2021/07/28 20:00 | Doumbia/Reboul v Polansky/Schnur | 6-2,6-7,6-10 |
| 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 San Marino MD | 2021/08/11 17:55 | Arneodo/Ocleppo v Heliovaara/Reid | 6-1,6-2 |
| Challenger Como MD | 2019/08/29 11:30 | Arneodo/Ocleppo v Behar/Escobar | 1-6,6-4,5-10 |