Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger Losinj - Herrdubbel | 2021/10/21 14:55 | Doumbia/Reboul v Martin/Weissborn | 2-6,3-6 |
| Challenger Losinj - Herrdubbel | 2021/10/20 09:10 | Doumbia/Reboul v Forejtek/Jianu | 7-5,6-4 |
| Challenger Napoli - Herrdubbel | 2021/10/15 14:30 | Doumbia/Reboul v Brown/Vavassori | 4-6,2-6 |
| Challenger Napoli - Herrdubbel | 2021/10/14 14:45 | Martin/Weissborn v Doumbia/Reboul | 6-7,3-6 |
| Challenger Napoli - Herrdubbel | 2021/10/13 11:45 | Barranco Cosano/Lopez San Martin v Doumbia/Reboul | 1-6,6-7 |
| 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 |