Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Meerbusch | 2021/04/13 12:35 | Alexis Boureau v Sebastian Prechtel | 6-7,6-7 |
| ITF M25 Meerbusch | 2021/04/12 10:30 | Hugo Voljacques v Sebastian Prechtel | 6-7,7-6,4-10 |
| ITF M25 Meerbusch | 2021/04/11 14:30 | Nico Hornitschek v Sebastian Prechtel | 2-6,2-6 |
| ITF M15 Opatija | 2021/03/25 09:00 | Sebastian Prechtel v Oleksandr Ovcharenko | 4-6,2-6 |
| ITF M15 Opatija | 2021/03/23 12:30 | Alexandar Lazarov v Sebastian Prechtel | 6-7,4-6 |
| ITF M15 Rovinj | 2021/03/15 11:30 | Sebastian Prechtel v Milan Welte | 6-1,4-6,1-10 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Sebastian Prechtel v Paul Valsecchi | 6-0,7-5 |
| ITF M15 Porec | 2021/03/12 09:00 | Sebastian Prechtel v Alex Rybakov | 2-6,2-6 |
| Challenger Lille | 2021/03/21 13:55 | Tobias Simon v Edan Leshem | 2-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/02/10 11:15 | Tobias Simon v Marek Gengel | 5-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/04 10:10 | Tobias Simon v Marko Tepavac | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/03 12:50 | Tobias Simon v Remy Bertola | 6-2,6-4 |
| ITF M15 Bressuire | 2021/01/20 09:30 | Corentin Denolly v Tobias Simon | 7-6,7-6 |
| ITF M15 Manacor | 2021/01/16 12:15 | Evan Furness v Tobias Simon | 6-2,6-3 |
| ITF M15 Manacor | 2021/01/15 09:15 | Matteo Martineau v Tobias Simon | 6-7,6-1,3-6 |
| ITF M15 Manacor | 2021/01/14 09:00 | Zizou Bergs v Tobias Simon | 3-6,6-0,3-6 |