Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/02/14 11:00 | Tom Kocevar-Desman v Samir Hamza Reguig | 6-2,6-1 |
| ITF M15 Monastir | 2019/11/19 13:25 | Samir Hamza Reguig v Mirko Cutuli | 2-6,3-6 |
| ITF Tunisia F33 | 2017/10/28 09:00 | Robert Ziganshin v Samir Hamza Reguig | 3-6,6-4,7-6 |
| ITF M15 Monastir | 2021/02/21 12:00 | Milan Drinic v Niklas Guttau | 4-6,4-6 |
| German Championship | 2020/12/10 14:00 | Tim Handel v Niklas Guttau | 7-6,7-6 |
| DTB German Pro Series | 2020/06/26 08:00 | Niklas Guttau v Philip Florig | 6-2,7-6 |
| DTB German Pro Series | 2020/06/25 09:20 | Peter Heller v Niklas Guttau | 6-1,6-2 |
| DTB German Pro Series | 2020/06/24 10:00 | Niklas Guttau v Philip Florig | 6-7,6-2,6-1 |
| DTB German Pro Series | 2020/06/23 08:00 | Matthias Bachinger v Niklas Guttau | 6-3,6-1 |
| DTB German Pro Series | 2020/06/14 08:30 | Adrian Oetzbach v Niklas Guttau | 6-3,2-6,6-2 |
| DTB German Pro Series | 2020/06/13 11:55 | Niklas Guttau v Lucas Gerch | 4-6,3-6 |