| WTT - Feeder Dusseldorf | 2022/01/12 11:30 | Adam Klajber v Alexander Chen | W | 2-3 |
| Austria - Top 12 | 2021/12/13 17:00 | Alexander Chen v Daniel Habesohn | L | 1-3 |
| WTT Contender Novo Mesto | 2021/11/09 18:10 | Alexander Chen v Bastian Steger | L | 1-3 |
| WTT Contender Novo Mesto | 2021/11/09 10:20 | Alexander Chen v Tilen Cvetko | W | 3-2 |
| WTT Contender Lasko | 2021/11/02 18:45 | Alexander Chen v Eric Jouti | L | 2-3 |
| WTT Contender Lasko | 2021/11/02 12:05 | Alexander Chen v Aidos Kenzhigulov | W | 3-2 |
| WTT Contender - Tunis | 2021/10/24 18:40 | Alexander Chen v Andreas Levenko | L | 1-3 |
| ITTF Kazakhstan Open | 2021/09/18 08:30 | Kirill Gerassimenko v Alexander Chen | L | 4-0 |
| WTT Star Contender - Doha | 2021/09/23 10:00 | Kanak Jha v Ricardo Walther | L | 3-0 |
| WTT Star Contender - Doha | 2021/09/22 12:30 | Chien-An Chen v Ricardo Walther | W | 2-3 |
| WTT Star Contender - Doha | 2021/09/21 12:30 | Ricardo Walther v Kwan Kit Ho | W | 2-1 |
| WTT Star Contender - Doha | 2021/09/21 07:00 | Ricardo Walther v Lucas Tan | W | 3-0 |
| WTT Star Contender - Doha | 2021/03/06 15:30 | Yuta Tanaka v Ricardo Walther | L | 3-2 |
| Liga Campionilor | 2020/12/13 17:20 | Ricardo Walther v Jakub Dyjas | W | 3-2 |
| Liga Campionilor | 2020/12/13 16:00 | Ricardo Walther v Andrej Gacina | L | 2-3 |
| Liga Campionilor | 2020/12/11 16:40 | Ricardo Walther v Trinko Keen | W | 3-0 |