Stadium: Court 10 Round: 28 Ground: Hardcourt outdoor
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/06 10:40 | Doumbia, Sadio v Ortega-Olmedo, Roberto | 3-6,6-3,6-0 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/05 08:35 | Doumbia, Sadio v Kalenichenko, Danylo | 6-3,6-3 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/04 09:25 | Doumbia, Sadio v Thirouin, Jean | 6-1,6-0 |
| Challenger - Pau | 2020/02/24 09:00 | Reboul, Fabien v Doumbia, Sadio | 6-3,5-7,6-4 |
| Bergamo, Italy | 2020/02/18 09:00 | Nerman Fatic v Doumbia, Sadio | 4-6,6-7 |
| Challenger Bergamo Qual | 2020/02/17 09:00 | Doumbia, Sadio v Filiberto Fumagalli | 4-6,6-2,6-2 |
| Challenger - Burnie | 2020/01/27 01:35 | Doumbia, Sadio v Kavcic, Blaz | 2-6,5-7 |
| Bangkok, Thaïlande | 2020/01/13 03:00 | Doumbia, Sadio v Sidharth Rawat | 2-6,4-6 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/06 08:00 | Corentin Denolly v Simon, Tobias | 1-6,3-6 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/05 11:50 | Simon, Tobias v Daniel Masur | 6-3,3-6,6-3 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/03 09:30 | Carr, Simon v Simon, Tobias | 7-6,6-7,3-6 |
| Challenger Calgary | 2020/02/27 17:00 | Simon, Tobias v Yusuke Takahashi | 4-6,6-7 |
| Challenger Calgary | 2020/02/26 00:10 | Manuel Guinard v Simon, Tobias | 7-6,6-7,6-7 |
| Challenger Calgary | 2020/02/24 17:35 | Simon, Tobias v Baadi, Taha | 7-6,6-2 |
| Drummondville, Canada | 2020/02/19 15:00 | Sebastian Korda v Simon, Tobias | 6-3,4-6,7-6 |
| Drummondville, Canada | 2020/02/17 16:00 | Razvan Baiant v Simon, Tobias | 2-6,2-6 |