Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Biella MD | 2021/03/17 18:25 | Doumbia/Reboul v Molchanov D / Stakhovsky S | 5-7,6-3,7-10 |
| Challenger Biella MD | 2021/03/10 17:25 | Doumbia/Reboul v Masur/Rodionov | 4-6,4-6 |
| Challenger Gran Canaria MD | 2021/03/05 11:00 | Couacaud/Guinard v Doumbia/Reboul | 6-4,6-1 |
| Challenger Gran Canaria MD | 2021/03/04 13:55 | Doumbia/Reboul v Cervantes Huegun I / Roca Batalla O | 2-6,7-5,12-10 |
| Challenger Gran Canaria MD | 2021/03/03 11:00 | Doumbia/Reboul v Cornea/Vrbensky | 7-5,6-7,10-2 |
| Challenger Gran Canaria MD | 2021/02/23 14:30 | Giustino L / Trungelliti M v Doumbia/Reboul | 3-6,6-3,10-8 |
| Challenger - Quimper - Doubles Hommes | 2021/01/29 11:30 | Doumbia/Reboul v Barrere G / Olivetti A | 4-6,2-6 |
| Challenger - Quimper - Doubles Hommes | 2021/01/28 10:00 | Doumbia/Reboul v Rodionov/Rosol | 6-4,6-3 |