Challenger Izmir 09/20 13:45 25 Vitaly Kozyukov v Sadio Doumbia 7-6,6-4
Challenger Istanbul 09/15 10:35 26 Sadio Doumbia v Dudi Sela 2-6,1-6
Challenger Istanbul 09/13 09:40 25 Alessandro Bega v Sadio Doumbia 6-7,2-6
Challenger Alphen Qual 09/05 12:00 54 Sadio Doumbia v Andriej Kapas 7-5,2-6,4-6
Challenger Alphen Qual 09/04 14:05 46 Sadio Doumbia v Julian Onken 6-3,6-4
Challenger Alphen Qual 09/04 08:45 45 Sadio Doumbia v Viktor Durasovic 6-4,6-4
Challenger Manerbio Qual 08/20 11:10 45 Corrado Summaria v Sadio Doumbia 7-6,6-3
ITF Germany F8 07/22 10:00 27 Sadio Doumbia v Giovanni Lapentti 4-6,1-6
ITF Germany F8 07/21 09:00 26 Christian Lindell v Sadio Doumbia 3-6,6-7
ITF Germany F8 07/20 09:00 25 Nils Brinkmann v Sadio Doumbia 4-6,3-6
Challenger Poznan Qual 07/10 09:00 54 Sadio Doumbia v Tak Khunn Wang Retired
Challenger Poznan Qual 07/09 10:55 46 Sadio Doumbia v Norbert Tadyszak 6-0,6-1
ITF France F12 06/28 15:05 25 Sadio Doumbia v Clement Geens 6-7,1-6
Challenger Milan Qual 06/18 12:20 45 Lucas Gomez v Sadio Doumbia 6-4,6-4
Challenger Ostrava Qual 04/24 09:00 46 Omar Jasika v Sadio Doumbia 3-6,2-6
Challenger Ostrava Qual 04/23 08:00 45 Sadio Doumbia v Vitaliy Sachko 6-4,6-2
Challenger St Brieuc 03/30 16:00 25 Jan-Lennard Struff v Sadio Doumbia 6-4,6-4
Challenger St Brieuc Qual 03/28 08:30 46 Ivan Sabanov v Sadio Doumbia 1-6,4-6
Challenger St Brieuc Qual 03/27 13:55 45 Andre Miele v Sadio Doumbia 2-6,6-3,1-6
ITF France F6 03/18 10:00 27 Maxime Authom v Sadio Doumbia 6-4,6-3
ITF France F6 03/16 09:30 26 Alexandre Penaud v Sadio Doumbia 2-6,2-6
ITF France F6 03/15 10:00 25 Alex De Minaur v Sadio Doumbia 2-6,5-7
Challenger Quimper - Kval 02/27 12:55 46 Sadio Doumbia v Romain Jouan 2-6,6-4,5-7
Challenger Wroclaw Qual 02/14 10:00 46 Sadio Doumbia v Maximilian Marterer 6-4,6-4
Challenger Wroclaw Qual 02/13 12:10 45 Sadio Doumbia v Stefanos Tsitsipas 6-3,7-6
ITF Germany F3 01/27 10:35 25 Niels Desein v Sadio Doumbia 6-7,6-0,6-3
ITF France F2 01/20 18:30 26 Sadio Doumbia v Martins Podzus 6-7,6-4,1-6
ITF France F2 01/19 13:05 25 Sadio Doumbia v Joran Vliegen 6-1,6-2
Challenger Brest 10/21 16:50 25 Benoit Paire v Sadio Doumbia 6-2,6-4
Challenger Brest Qual 10/18 11:15 44 Sadio Doumbia v Alexandre Penaud 6-4,6-4