| Champions League | 2021/09/17 16:15 | Iker Martinez v Ronald Redjep | W | 0-3 |
| Champions League | 2021/09/16 15:30 | Jiri Vrablik v Ronald Redjep | L | 3-0 |
| Champions League | 2021/09/15 16:15 | Ronald Redjep v Felix Wetzel | W | 3-2 |
| Europe Cup | 2021/03/27 18:40 | David Molnar v Ronald Redjep | L | 3-2 |
| Europe Cup | 2021/03/27 12:50 | Ronald Redjep v Jordy Piccolin | L | 1-3 |
| European Champions League | 2019/12/10 20:00 | Ronald Redjep v Quadri Aruna | L | 1-3 |
| European Champions League | 2019/12/10 18:00 | Ronald Redjep v Diogo Carvalho | L | 0-3 |
| Champions League | 2019/12/05 20:20 | Konstantinos Angelakis v Ronald Redjep | W | 1-3 |
| Austrian Bundesliga 1 | 2021/10/10 14:40 | Samuel Kaluzny v David Serdaroglu | L | 3-2 |
| Others | 2021/10/10 13:42 | Patrik Juhasz v David Serdaroglu | L | 3-0 |
| Austria State Championship Men | 2021/08/29 19:00 | Robert Gardos v David Serdaroglu | L | 4-1 |
| WTT Contender Budapest | 2021/08/17 16:20 | Dang Qiu v David Serdaroglu | L | 3-0 |
| WTT Contender Budapest | 2021/08/16 18:00 | Bence Balogh v David Serdaroglu | W | 0-3 |
| WTT Contender Budapest | 2021/08/15 18:00 | Tomas Koldas v David Serdaroglu | W | 0-3 |
| European Championships | 2021/06/23 09:55 | Maciej Kubik v David Serdaroglu | L | 3-0 |
| Polish Open | 2020/03/11 15:40 | David Serdaroglu v Qiyao Han | L | 1-3 |