Estadio: Ochsenhausen, Germany
| Challenger Series TT | 2023/08/10 09:10 | Tobias Slanina v Simon Berglund | L | 2-3 |
| Challenger Series TT | 2023/08/10 06:30 | Tobias Slanina v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/14 09:10 | Dauud Cheaib v Tobias Slanina | L | 3-0 |
| Challenger Series TT | 2023/07/14 07:10 | Tobias Slanina v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/07/13 19:10 | Benjamin Fruchart v Tobias Slanina | L | 3-1 |
| Challenger Series TT | 2023/07/13 16:30 | Michael Engelhardt v Tobias Slanina | L | 3-2 |
| Challenger Series TT | 2023/07/13 13:50 | Tobias Slanina v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/13 10:30 | Tobias Slanina v Johannes Willeke | W | 3-1 |
| Challenger Series TT | 2023/08/10 09:50 | Andreas Levenko v Zengyi Wang | W | 3-0 |
| Challenger Series TT | 2023/08/10 07:50 | Andreas Levenko v Simon Pfeffer | W | 3-0 |
| WTT Feeder Havirov | 2023/07/28 14:40 | Andreas Levenko v Congfan Xie | L | 2-3 |
| WTT Star Contender Ljubljana - Clasificación | 2023/07/04 10:40 | Yuta Tanaka v Andreas Levenko | L | 3-0 |
| WTT Star Contender Ljubljana - Clasificación | 2023/07/03 10:00 | Andreas Levenko v Amir Hossein Hodaei | W | 3-1 |
| WTT Contender Zagreb - Clasificación | 2023/06/27 11:00 | Andreas Levenko v Nima Alamian | L | 1-3 |
| WTT Contender - Túnez - Clasificación | 2023/06/20 19:15 | Fanbo Meng v Andreas Levenko | L | 3-1 |
| Austria - Bundesliga 1 | 2023/05/16 16:57 | Frane Kojic v Andreas Levenko | W | 2-3 |