Head to Head
| Qatar Open Women | 2018/08/23 14:00 | Ruwen Filus v Ricardo Walther | L | 2-4 |
| Qatar Open Women | 2017/09/02 17:24 | Ruwen Filus v Ricardo Walther | L | 0-3 |
| Qatar Open Women | 2017/01/20 20:00 | Ricardo Walther v Ruwen Filus | W | 2-4 |
Home History
| WTT Champions Frankfurt | 2023/10/30 15:15 | Mattias Falck v Ruwen Filus | L | 3-2 |
| WTT Contender Antalya | 2023/10/20 16:10 | Ruwen Filus v Felix Lebrun | L | 0-3 |
| WTT Contender Antalya | 2023/10/20 15:45 | Ruwen Filus v Felix Lebrun | L | 0-3 |
| WTT Contender Antalya | 2023/10/19 11:00 | Ruwen Filus v Jaehyun An | W | 3-1 |
| WTT Contender Almaty | 2023/09/01 10:30 | Ruwen Filus v Yanning Liang | L | 1-3 |
| WTT Contender Almaty | 2023/08/31 12:00 | Eduard Ionescu v Ruwen Filus | W | 0-3 |
| WTT Star Contender Ljubljana | 2023/07/06 17:00 | Ruwen Filus v Chuqin Wang | L | 1-3 |
| WTT Star Contender Ljubljana | 2023/07/05 13:35 | Samuel Kulczycki v Ruwen Filus | W | 0-3 |
Away History
| WTT Feeder Dusseldorf III | 2023/11/29 14:05 | Ricardo Walther v Jiri Martinko | W | 3-1 |
| Europe Cup | 2023/10/22 19:00 | Ricardo Walther v Piotr Cyrnek | W | 3-0 |
| Europe Cup | 2023/10/22 10:05 | Ricardo Walther v David Szantosi | L | 1-3 |
| WTT Contender Muscat Quals | 2023/10/09 13:45 | Ricardo Walther v Bence Majoros | L | 0-3 |
| European Team Championships | 2023/09/15 14:40 | Ricardo Walther v Filip Zeljko | L | 0-3 |
| European Team Championships | 2023/09/14 14:40 | Anton Limonov v Ricardo Walther | W | 0-3 |
| European Team Championships | 2023/09/10 17:40 | Ricardo Walther v Sam Khosravi | W | 3-0 |
| WTT Contender Rio | 2023/08/10 21:00 | Chih Yuan Chuang v Ricardo Walther | L | 3-1 |