Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/13 08:10 | Arman Hajiei v Amirreza Abbasi | W | 3-0 |
| Challenger Series TT | 2023/02/07 10:10 | Kirill Fadeev v Arman Hajiei | L | 3-2 |
| Challenger Series TT | 2023/02/07 09:30 | Arman Hajiei v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/02/06 19:30 | Sourav Saha v Arman Hajiei | L | 3-1 |
| Challenger Series TT | 2023/02/06 16:50 | Bastien Dupont v Arman Hajiei | L | 3-0 |
| Challenger Series TT | 2023/02/06 14:50 | David Reitspies v Arman Hajiei | L | 3-1 |
| Challenger Series TT | 2023/02/06 10:50 | Siddharta Almeida v Arman Hajiei | W | 2-3 |
| Challenger Series TT | 2023/02/06 08:10 | Dauud Cheaib v Arman Hajiei | L | 3-1 |
| Challenger Series TT | 2023/02/13 07:30 | Michael Engelhardt v Marius Henninger | L | 0-3 |
| Challenger Series TT | 2022/11/15 10:50 | Michael Engelhardt v Aljaz Godec | L | 0-3 |
| Challenger Series TT | 2022/11/15 07:30 | Michael Engelhardt v Manush Utpalbhai Shah | L | 1-3 |
| Challenger Series TT | 2022/11/14 18:50 | Michael Engelhardt v Mohammadali Rouintanesfahani | L | 1-3 |
| Challenger Series TT | 2022/11/14 17:30 | Michael Engelhardt v Mohammed Javad Sohrabi | L | 2-3 |
| Challenger Series TT | 2022/11/14 12:50 | Michael Engelhardt v Jeet Chandra | L | 0-3 |
| Challenger Series TT | 2022/11/14 10:10 | Michael Engelhardt v Nico Longhino | L | 2-3 |
| Challenger Series TT | 2022/11/14 07:30 | Michael Engelhardt v Florian Bluhm | L | 2-3 |