Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Napoli - Herrdubbel | 2021/10/08 12:00 | Martin/Weissborn v Doumbia/Reboul | 7-5,2-6,10-7 |
| Challenger Napoli - Herrdubbel | 2021/10/07 15:00 | Cobolli/Gigante v Doumbia/Reboul | 3-6,3-6 |
| Challenger Braga - Herrdubbel | 2021/09/22 09:00 | Doumbia/Reboul v Coelho/Falcao | 7-6,6-4 |
| Challenger Szczecin MD | 2021/09/16 11:20 | Gonzalez/Molteni v Doumbia/Reboul | 3-6,6-4,10-5 |
| Challenger Szczecin MD | 2021/09/14 16:50 | Manafov/Matuszewski v Doumbia/Reboul | 6-4,3-6,6-10 |
| Challenger Seville - Herrdubbel | 2021/09/09 18:35 | Doumbia/Reboul v Barranco Cosano/Martos Gornes | 7-6,3-6,8-10 |
| Challenger Seville - Herrdubbel | 2021/09/08 09:00 | Doumbia/Reboul v Sanchez Jover/Vidal Azorin | 7-5,6-3 |
| Challenger Como - Mixed dubbel | 2021/09/01 11:25 | Kestelboim/Carabelli v Doumbia/Reboul | 6-4,7-6 |