| 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 Turrini, Rafael | - | 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 Slanina, Tobias | W | 3-0 | |
| Challenger Series TT | 04/29 11:45 | - | Michael Engelhardt v 추, 량 | W | 3-1 | |
| Challenger Series TT | 04/29 09:40 | - | 파데예프, 키릴 v Michael Engelhardt | L | 3-1 | |
| Challenger Series TT | 04/29 08:20 | - | Michael Engelhardt v 클라인, 데니스 | L | 0-3 | |
| Challenger Series TT | 02/16 10:10 | - | 체아이브, 다우드 v Michael Engelhardt | L | 3-2 | |
| Challenger Series TT | 02/16 08:10 | - | Michael Engelhardt v Norbert Tauler | L | 1-3 | |
| Challenger Series TT | 02/15 20:10 | - | 아쿠주, 캔 v Michael Engelhardt | L | 3-1 | |
| Challenger Series TT | 02/15 17:30 | - | Albert Vilardell v Michael Engelhardt | L | 3-1 | |
| Challenger Series TT | 02/15 14:50 | - | Michael Engelhardt v Mathias Golab | L | 1-3 | |
| Challenger Series TT | 02/15 11:30 | - | Michael Engelhardt v 미노, 알베르토 | W | 3-1 | |
| Challenger Series TT | 02/15 09:30 | - | Michael Engelhardt v Mike Hollo | L | 2-3 | |
| Challenger Series TT | 01/12 09:30 | - | Damian Zech v Michael Engelhardt | W | 2-3 | |
| Challenger Series TT | 01/12 08:10 | - | Jeromy Loffler v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 01/11 18:10 | - | Makoto Nogami v Michael Engelhardt | W | 1-3 | |
| Challenger Series TT | 01/11 16:10 | - | Mike Hollo v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 01/11 13:30 | - | Slanina, Tobias v Michael Engelhardt | L | 3-2 | |
| Challenger Series TT | 01/11 12:10 | - | Tom Colvin v Michael Engelhardt | W | 0-3 | |
| Challenger Series TT | 01/11 07:30 | - | 헤닝거, 마리우스 v Michael Engelhardt | L | 3-0 | |
| Challenger Series TT | 11/27 08:10 | - | Marco Stefanidis v Michael Engelhardt | - | Cancelled | |
| Challenger Series TT | 07/18 10:30 | - | Michael Engelhardt v Amirreza Abbasi | L | 0-3 | |
| Challenger Series TT | 07/18 07:50 | - | Michael Engelhardt v 호레제아이, 미로슬라프 | L | 0-3 | |
| Challenger Series TT | 07/17 19:10 | - | Michael Engelhardt v 가브라스, 안토닌 | L | 0-3 | |
| Challenger Series TT | 07/17 14:30 | - | Michael Engelhardt v 체아이브, 다우드 | L | 1-3 | |
| Challenger Series TT | 07/17 12:30 | - | Michael Engelhardt v Daniel Rinderer | L | 2-3 | |
| Challenger Series TT | 07/17 09:10 | - | Hannes Hormann v Michael Engelhardt | L | 3-1 | |
| Challenger Series TT | 07/17 07:10 | - | Michael Engelhardt v 알리시크, 아르민 | W | 3-1 |