Round: 44
| ITF - M15 Doha | 2020/03/12 11:55 | Schmitz, Constantin v Daniil Glinka | 6-3,6-3 |
| ITF - M15 Doha | 2020/03/11 15:00 | Schmitz, Constantin v Zayed, Mousa Shanan | 6-1,6-3 |
| ITF - M15 Héraklion | 2020/03/04 08:30 | Schmitz, Constantin v Hampel, Lenny | 6-7,6-2,3-6 |
| ITF - M15 Héraklion | 2020/02/26 11:00 | Schmitz, Constantin v Kai Wehnelt | 4-6,6-7 |
| ITF M15 Lambermont | 2019/08/23 13:30 | Perchicot, Mathieu v Schmitz, Constantin | 6-2,6-1 |
| ITF M15 Lambermont | 2019/08/22 11:45 | Uryson, Nicolas v Schmitz, Constantin | 3-6,0-6 |
| ITF M15 Lambermont | 2019/08/21 13:20 | Pisane, Tom v Schmitz, Constantin | 4-6,3-6 |
| ITF M15 Trier | 2019/08/17 09:00 | Obert, Adrian v Schmitz, Constantin | 6-4,6-3 |
| Challenger Potchefstroom | 2020/03/12 09:25 | Brown, Dustin v David Pichler | 6-3,3-6,6-3 |
| Challenger Potchefstroom | 2020/03/10 09:35 | Brown, Dustin v Corentin Denolly | 7-6,7-5 |
| Challenger - Koblenz | 2020/02/20 14:00 | Dimitar Kuzmanov v Brown, Dustin | 4-6,6-3,6-4 |
| Challenger - Koblenz | 2020/02/19 17:30 | Ignatik, Uladzimir v Brown, Dustin | 4-6,4-6 |
| Challenger - Cherbourg | 2020/02/10 17:35 | Roman Safiullin v Brown, Dustin | 6-1,6-2 |
| ATP - Montpellier | 2020/02/02 09:30 | Garcia-Lopez, Guillermo v Brown, Dustin | 6-3,6-3 |
| Open d'Australie | 2020/01/15 04:00 | Dennis Novak v Brown, Dustin | 6-3,6-2 |
| Ludwigshafen, Allemagne | 2019/07/04 12:00 | Brown, Dustin v Bernabe Zapata Miralles | 3-6,4-6 |