| German Premier League | 2020/07/28 11:50 | Tobias Simon v Luc Fomba | 7-6,6-2 |
| German Premier League | 2020/07/27 13:00 | Tobias Simon v Alexey Vatutin | 6-7,6-3,2-6 |
| DTB German Pro Series | 2020/06/11 09:30 | Max Hans Rehberg v Tobias Simon | 3-6,7-6,6-3 |
| DTB German Pro Series | 2020/06/10 14:35 | Yannick Hanfmann v Tobias Simon | 6-3,6-2 |
| DTB German Pro Series | 2020/06/09 11:00 | Matthias Bachinger v Tobias Simon | 4-6,6-7 |
| Challenger Potchefstroom | 2020/03/11 09:30 | Adam Moundir v Tobias Simon | 5-7,3-6 |
| ITF M25 Potchefstroom | 2020/03/08 08:00 | Benjamin Bonzi v Tobias Simon | 7-6,6-4 |
| ITF M25 Potchefstroom | 2020/03/07 10:00 | Sadio Doumbia v Tobias Simon | 6-7,3-6 |
| German Premier League | 2020/07/27 17:05 | Paul Valsecchi v Johann Willems | 1-6,7-5,6-2 |
| ITF M15 Monastir | 2020/03/09 13:30 | Johann Willems v Paras Dahiya | 3-6,6-2,6-10 |
| ITF M15 Monastir | 2020/03/09 08:00 | Johann Willems v Lewie Lane | 6-4,6-4 |
| ITF M15 Monastir | 2020/03/08 08:00 | Adil Kalyanpur v Johann Willems | 2-6,2-6 |
| Challenger Koblenz | 2020/02/17 09:00 | Lucas Gerch v Johann Willems | 6-1,6-7,6-1 |
| ITF M25 Nussloch | 2020/01/20 09:00 | Robin Stanek v Johann Willems | 7-5,6-0 |
| ITF M25 Nussloch | 2020/01/19 09:00 | Flemming Peters v Johann Willems | 2-6,0-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/08 11:00 | Jeremy Schifris v Johann Willems | 3-6,6-3,10-3 |