Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Challenger - Pune | 2016/10/29 09:50 | Doumbia, Sadio v Gunneswaran, Prajnesh | 4-6,6-4,6-3 |
| Orlando, USA | 2020/11/15 17:35 | Alexander Ritschard v Doumbia, Sadio | 6-3,6-2 |
| Orlando, USA | 2020/11/14 16:55 | Strong Kirchheimer v Doumbia, Sadio | 6-3,5-7,2-6 |
| ITF M25 Rodez | 2020/10/15 11:30 | Antoine Escoffier v Doumbia, Sadio | 6-2,6-3 |
| ITF M25 Rodez | 2020/10/14 07:55 | Doumbia, Sadio v Nikolas Sanchez Izquierdo | 7-6,6-3 |
| ITF M15 Setubal | 2020/10/07 12:25 | Doumbia, Sadio v Nuno Borges | 2-6,3-6 |
| ITF M25 Porto | 2020/09/30 14:15 | Sekiguchi, Shuichi v Doumbia, Sadio | 6-4,7-6 |
| Forli 6, Italy | 2020/09/19 08:00 | Christian Harrison v Doumbia, Sadio | 6-1,6-4 |
| ITF M15 Caslano | 2020/09/03 16:55 | Remy Bertola v Doumbia, Sadio | 3-6,6-1,6-3 |
| Challenger Cary | 2020/11/15 17:00 | Gunneswaran, Prajnesh v Denis Kudla | 6-3,3-6,0-6 |
| Challenger Cary | 2020/11/13 18:20 | Gunneswaran, Prajnesh v Bellucci, Thomaz | 3-6,7-5,7-6 |
| Challenger Cary | 2020/11/12 17:35 | Gunneswaran, Prajnesh v Sock, Jack | 6-7,6-2,7-6 |
| Challenger Cary | 2020/11/10 15:30 | Gunneswaran, Prajnesh v Polansky, Peter | 6-2,6-2 |
| Challenger - Hambourg | 2020/10/27 13:05 | Gunneswaran, Prajnesh v Kamke, Tobias | 6-3,4-6,1-6 |
| Challenger Ismaning | 2020/10/24 13:50 | Gunneswaran, Prajnesh v Botic Van De Zandschulp | 6-7,1-6 |
| Challenger Ismaning | 2020/10/23 14:25 | Gunneswaran, Prajnesh v Daniel Masur | 7-5,6-7,6-3 |
| Challenger Ismaning | 2020/10/21 18:50 | Gunneswaran, Prajnesh v Lacko, Lukas | 6-4,5-7,6-4 |