| Challenger Series TT | 10/15 06:30 | - | Dauud Cheaib v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 10/14 16:30 | - | Tom Colvin v Michael Engelhardt | W | 1-3 | |
| Challenger Series TT | 10/14 15:00 | - | Dennis Klein v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 10/14 13:30 | - | Michael Engelhardt v Florian Bluhm | L | 0-3 | |
| Challenger Series TT | 10/14 11:30 | - | Michael Engelhardt v Jeromy Loffler | L | 0-3 | |
| Challenger Series TT | 10/14 10:00 | - | Michael Engelhardt v Guillaume Alcayde | L | 1-3 | |
| Challenger Series TT | 10/14 08:00 | - | Marius Henninger v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 05/23 18:30 | - | Siddharta Almeida v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 05/23 18:00 | - | Michael Engelhardt v Carlos Roman Pozo | W | 3-0 | |
| Challenger Series TT | 05/23 17:00 | - | Michael Engelhardt v William Koehl | W | 3-2 | |
| Challenger Series TT | 05/23 16:00 | - | Mykhailo Mosiuk v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 05/23 14:30 | - | Marco Stefanidis v Michael Engelhardt | - | Cancelled | |
| Challenger Series TT | 05/23 11:30 | - | Miad Lotfijanabadi v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 05/23 09:30 | - | Lars Maier v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 05/21 20:00 | - | Michael Engelhardt v Markus Bott | W | 3-1 | |
| Challenger Series TT | 05/21 18:30 | - | Makoto Nogami v Michael Engelhardt | W | 1-3 | |
| Challenger Series TT | 05/21 18:00 | - | Mykhailo Mosiuk v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 05/21 16:00 | - | Alexander Sverdlik v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 05/21 13:30 | - | Sven Wendegatz v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 05/21 13:30 | - | Tobias Saltzer v Michael Engelhardt | - | Cancelled | |
| Challenger Series TT | 05/21 12:00 | - | Miad Lotfijanabadi v Michael Engelhardt | L | 3-2 | |
| Challenger Series TT | 05/21 10:30 | - | Timur Voitekhov v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 04/30 10:00 | - | Michael Engelhardt v Alvaro Gainza | L | 2-3 | |
| Challenger Series TT | 04/30 10:00 | - | Michael Engelhardt v Rafael Turrini | - | Cancelled | |
| Challenger Series TT | 04/30 07:40 | - | Michael Engelhardt v Mohammed Javad Sohrabi | L | 0-3 | |
| Challenger Series TT | 04/29 17:35 | - | Michael Engelhardt v Reda Nemras | W | 3-1 | |
| Challenger Series TT | 04/29 13:30 | - | Michael Engelhardt v Tobias Slanina | W | 3-0 | |
| Challenger Series TT | 04/29 11:45 | - | Michael Engelhardt v Liang Qiu | W | 3-1 | |
| Challenger Series TT | 04/29 09:40 | - | Kirill Fadeev v Michael Engelhardt | L | 3-1 | |
| Challenger Series TT | 04/29 08:20 | - | Michael Engelhardt v Dennis Klein | L | 0-3 |