| ITF Portugal F20 | 09/28 09:30 | 27 | [287] Sadio Doumbia v Roberto Ortega-Olmedo [282] | 6-1,1-6,6-3 | |
| ITF Portugal F20 | 09/27 09:30 | 26 | [287] Sadio Doumbia v Nuno Deus [425] | 6-2,6-3 | |
| ITF Portugal F20 | 09/26 09:00 | 25 | Sadio Doumbia v Jaime Pulgar-Garcia | 4-6,6-3,6-3 | |
| Challenger Izmir | 09/22 10:40 | 27 | [287] Illya Marchenko v Sadio Doumbia [310] | 6-7,6-2,7-6 | |
| Challenger Izmir | 09/21 09:00 | 26 | [434] Altug Celikbilek v Sadio Doumbia [310] | 5-7,6-3,1-6 | |
| Challenger Izmir | 09/19 11:00 | 25 | [310] Sadio Doumbia v Nikola Milojevic [152] | 6-1,3-6,6-4 | |
| ITF France F18 | 09/08 12:15 | 27 | Sadio Doumbia v Ugo Humbert | 4-6,6-4,4-6 | |
| ITF France F18 | 09/07 09:30 | 26 | [309] Sadio Doumbia v Denis Matsukevitch [348] | 6-2,7-6 | |
| ITF France F18 | 09/04 09:00 | 25 | Sadio Doumbia v Paul Cayre | 6-3,6-0 | |
| Challenger Manerbio | 08/22 08:30 | 25 | Sadio Doumbia v Oscar Otte | 2-6,4-6 | |
| Challenger Meerbusch | 08/15 09:00 | 25 | [305] Sadio Doumbia v Nicola Kuhn [246] | 4-6,6-4,6-7 | |
| ATP Los Cabos Qual | 07/31 00:45 | 46 | [160] Akira Santillan v Sadio Doumbia [301] | 6-3,6-1 | |
| ATP Los Cabos Qual | 07/30 00:10 | 45 | [43] Andres Molteni v Sadio Doumbia [301] | 4-6,3-6 | |
| Challenger Astana | 07/18 11:55 | 25 | [309] Sadio Doumbia v Alexander Bublik [124] | 2-6,2-6 | |
| ITF France F15 | 07/15 17:35 | 28 | [466] Edoardo Eremin v Sadio Doumbia [319] | 6-4,6-2 | |
| ITF France F15 | 07/14 16:50 | 27 | [319] Sadio Doumbia v Laurent Lokoli [320] | 2-6,6-4,7-5 | |
| ITF France F15 | 07/12 16:20 | 26 | Sadio Doumbia v Leny Mitjana | 6-2,6-0 | |
| ITF France F15 | 07/10 16:10 | 25 | Sadio Doumbia v Ugo Humbert | 6-3,6-4 | |
| ITF France F13 | 06/28 12:45 | 26 | [318] Sadio Doumbia v Fabien Reboul [352] | 2-6,7-6,5-7 | |
| ITF France F13 | 06/26 08:00 | 25 | Sadio Doumbia v Alexis Gautier | 7-6,6-3 | |
| Challenger Lyon Qual | 06/10 07:30 | 45 | Sadio Doumbia v Alexander Igoshin | 7-6,3-6,2-6 | |
| Challenger Prostejov Qual | 06/04 11:30 | 45 | Tomas Liska v Sadio Doumbia | Retired | |
| Challenger Shymkent | 05/22 10:30 | 25 | [415] Andrey Golubev v Sadio Doumbia [280] | 6-4,6-3 | |
| Challenger Busan | 05/17 05:10 | 26 | [268] Sadio Doumbia v Dudi Sela [112] | 2-6,3-6 | |
| Challenger Busan | 05/15 08:00 | 25 | Chan-Yeong Oh v Sadio Doumbia | 6-2,2-6,2-6 | |
| Challenger Seoul | 05/08 07:10 | 25 | [107] Vasek Pospisil v Sadio Doumbia [268] | 6-3,6-2 | |
| Challenger Gimcheon | 05/01 03:45 | 25 | [267] Sadio Doumbia v Konstantin Kravchuk [105] | 4-6,2-6 | |
| Challenger Anning Qual | 04/24 02:00 | 54 | [266] Sadio Doumbia v Felix Auger Aliassime [356] | 2-6,7-6,4-6 | |
| Challenger Anning Qual | 04/23 02:00 | 46 | [274] Sadio Doumbia v Jackson Withrow [191] | 6-1,6-4 | |
| Challenger Qingdao | 04/19 03:00 | 26 | [274] Sadio Doumbia v Di Wu [252] | 6-1,4-6,1-6 |