| Challenger - Series TT | 06/16 06:30 | - | Michael Engelhardt v Dennis Klein | L | 1-3 | |
| Challenger - Series TT | 06/14 09:10 | - | Michael Engelhardt v Eusebio Vos | L | 2-3 | |
| Challenger - Series TT | 06/14 07:10 | - | Michael Engelhardt v Dauud Cheaib | L | 0-3 | |
| Challenger - Series TT | 06/13 17:10 | - | Michael Engelhardt v Amirreza Abbasi | L | 1-3 | |
| Challenger - Series TT | 06/13 13:50 | - | Michael Engelhardt v Damian Zech | W | 3-2 | |
| Challenger - Series TT | 06/13 12:30 | - | Michael Engelhardt v Kenan Hrnic | - | Cancelled | |
| Challenger - Series TT | 06/13 09:10 | - | Felix Wetzel v Michael Engelhardt | L | 3-2 | |
| Challenger - Series TT | 06/13 07:10 | - | Michael Engelhardt v Sudhanshu Grover | L | 1-3 | |
| Challenger Ochsenhausen | 05/31 10:30 | - | Michael Engelhardt v Dauud Cheaib | L | 0-3 | |
| Challenger Ochsenhausen | 05/31 07:50 | - | Michael Engelhardt v Maciej Kubik | L | 1-3 | |
| Challenger Ochsenhausen | 05/30 19:10 | - | Michael Engelhardt v Carlo Rossi | L | 0-3 | |
| Challenger Ochsenhausen | 05/30 14:30 | - | Michael Engelhardt v Sven Happek | L | 2-3 | |
| Challenger Ochsenhausen | 05/30 12:30 | - | Michael Engelhardt v Eusebio Vos | W | 3-0 | |
| Challenger Ochsenhausen | 05/30 12:30 | - | Michael Engelhardt v Samuel Amann | - | Cancelled | |
| Challenger Ochsenhausen | 05/30 09:10 | - | Albert Vilardell v Michael Engelhardt | L | 3-1 | |
| Challenger Ochsenhausen | 05/30 09:10 | - | Nico Wenger v Michael Engelhardt | - | Cancelled | |
| Challenger Ochsenhausen | 05/30 07:10 | - | Michael Engelhardt v Carlos Ishida | L | 1-3 | |
| Challenger Ochsenhausen | 05/17 08:30 | - | Amirreza Abbasi v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 05/17 07:10 | - | Josip Huzjak v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 05/16 17:10 | - | Florian Bluhm v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 05/16 15:10 | - | Carlos Ishida v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 05/16 12:30 | - | Samuel Amann v Michael Engelhardt | W | 0-3 | |
| Challenger Ochsenhausen | 05/16 11:10 | - | Myshaal Sabhi v Michael Engelhardt | W | 2-3 | |
| Challenger Ochsenhausen | 05/16 06:30 | - | Kirill Fadeev v Michael Engelhardt | L | 3-2 | |
| Challenger Ochsenhausen | 03/18 08:50 | - | Alexander Valuch v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 03/17 20:50 | - | Sourav Saha v Michael Engelhardt | L | 3-2 | |
| Challenger Ochsenhausen | 03/17 18:50 | - | Andrei Putuntica v Michael Engelhardt | L | 3-0 | |
| Challenger Ochsenhausen | 03/17 16:50 | - | Michael Engelhardt v Carlo Rossi | L | 2-3 | |
| Challenger Ochsenhausen | 03/17 14:10 | - | Michael Engelhardt v Josip Huzjak | L | 0-3 | |
| Challenger Ochsenhausen | 03/17 12:10 | - | Michael Engelhardt v Simon Berglund | L | 1-3 |