Round: 25 Ground: Hardcourt outdoor
| Challenger Brest | 2015/10/21 16:50 | Benoit Paire v Sadio Doumbia | 6-2,6-4 |
| Challenger Brest Qual | 2015/10/18 11:15 | Sadio Doumbia v Alexandre Penaud | 6-4,6-4 |
| Challenger Orleans Qual | 2015/09/27 14:00 | Yann Marti v Sadio Doumbia | 6-7,6-1,6-2 |
| Challenger Genova | 2015/09/10 11:15 | Sadio Doumbia v Robin Haase | 6-7,3-6 |
| Challenger Meerbusch | 2015/08/18 15:10 | Michael Geerts v Sadio Doumbia | 4-6,3-6 |
| ITF Germany F9 | 2015/07/28 13:45 | Sadio Doumbia v Vincent Van Den Honert | 6-4,6-2 |
| ITF France F13 | 2015/07/11 13:30 | Jordi Samper-Montana v Sadio Doumbia | 4-6,6-0,6-3 |
| ITF France F13 | 2015/07/10 10:00 | Sadio Doumbia v Constant Lestienne | 6-3,6-4 |