| Challenger Barletta | 04/10 10:00 | 14 | [346] Miljan Zekic v Sadio Doumbia [89] | 6-4,6-3 | |
| ATP Houston | 04/02 20:35 | 14 | [90] Sadio Doumbia v Michael Mmoh [226] | Retired | |
| Challenger Marbella | 03/27 10:25 | 14 | [90] Sadio Doumbia v Alvaro Lopez San Martin [399] | 3-6,5-7 | |
| Challenger Monterrey | 03/07 19:25 | 19 | Naoki Nakagawa v Sadio Doumbia | 6-2,6-2 | |
| Challenger Monterrey | 03/06 21:15 | 14 | Manuel Sanchez v Sadio Doumbia | 6-2,6-7,6-7 | |
| Challenger Gran Canaria | 02/27 13:00 | 45 | [325] Johan Nikles v Sadio Doumbia [103] | 6-2,7-5 | |
| Challenger Roanne | 11/07 09:00 | 14 | [343] Alexey Vatutin v Sadio Doumbia [115] | Cancelled | |
| Challenger Brest | 10/24 09:40 | 14 | Timo Legout v Sadio Doumbia | 1-6,7-6,6-2 | |
| Challenger Losinj | 10/18 09:40 | 19 | [122] Sadio Doumbia v Arjun Kadhe [213] | Retired | |
| Challenger Losinj | 10/17 12:15 | 14 | [121] Sadio Doumbia v N. V. Sundar Prashanth [440] | 6-7,6-4,6-0 | |
| Challenger Napoli Qual | 10/10 15:45 | 14 | Alexander Ritschard v Sadio Doumbia | Cancelled | |
| Challenger Szczecin | 09/12 13:10 | 14 | [498] Sadio Doumbia v Matteo Martineau [371] | Retired | |
| Challenger Salzburg | 07/04 09:15 | 14 | [444] Sadio Doumbia v Alexander Erler [334] | 6-7,5-7 | |
| Challenger Aix en Provence | 06/14 08:30 | 19 | [443] Sadio Doumbia v Oriol Roca Batalla [365] | 1-6,4-6 | |
| Challenger Aix en Provence | 06/13 08:30 | 14 | [360] Nick Chappell v Sadio Doumbia [444] | 0-6,4-6 | |
| Challenger Split | 04/04 12:50 | 14 | [412] Sadio Doumbia v Mirza Basic [300] | 6-7,3-6 | |
| Challenger Biella | 03/07 12:10 | 14 | Andrea Arnaboldi v Sadio Doumbia | Cancelled | |
| Challenger Gran Canaria | 03/01 11:00 | 19 | [389] Filip C Jianu v Sadio Doumbia [402] | 6-2,6-3 | |
| Challenger Gran Canaria Qual | 02/28 16:45 | 14 | Pol M Tiffon v Sadio Doumbia | 6-7,6-4,6-7 | |
| Challenger Gran Canaria | 02/21 15:00 | 14 | [499] Elmar Ejupovic v Sadio Doumbia [397] | 7-6,6-3 | |
| Challenger Cherbourg | 02/07 11:00 | 14 | [395] Sadio Doumbia v Jonas Forejtek [367] | 6-7,2-6 | |
| ITF M15 Manacor | 01/15 10:45 | 27 | [464] Evan Furness v Sadio Doumbia [392] | 6-0,6-2 | |
| ITF M15 Manacor | 01/14 09:00 | 26 | Daniel Rincon v Sadio Doumbia | 4-6,2-6 | |
| ITF M15 Manacor | 01/13 13:20 | 25 | [455] Nicolas Mejia v Sadio Doumbia [392] | 6-7,1-6 | |
| ITF M15 Manacor | 01/06 11:35 | 25 | [433] Benjamin Winter Lopez v Sadio Doumbia [392] | Retired | |
| Challenger Lima | 11/24 19:00 | 25 | [157] Juan P Varillas v Sadio Doumbia [389] | 6-1,7-6 | |
| Challenger Orlando | 11/17 17:00 | 25 | [388] Sadio Doumbia v Prajnesh Gunneswaran [137] | 3-6,5-7 | |
| Challenger Orlando | 11/15 17:35 | 19 | [301] Alexander Ritschard v Sadio Doumbia [384] | 6-3,6-2 | |
| Challenger Orlando | 11/14 16:55 | 64 | [476] Strong Kirchheimer v Sadio Doumbia [384] | 6-3,5-7,2-6 | |
| ITF M25 Rodez | 10/15 11:30 | 26 | [392] Antoine Escoffier v Sadio Doumbia [383] | 6-2,6-3 |