| Ligue des Champions | 2021/11/07 12:35 | Marek Badowski v Sidorenko, Vladimir | W | 3-2 |
| Ligue des Champions | 2021/11/06 12:40 | Hugo Calderano v Marek Badowski | L | 3-0 |
| Ligue des Champions | 2021/11/05 17:50 | Jakub Zelinka v Marek Badowski | W | 2-3 |
| Challenger Ochsenhausen | 2021/10/29 18:49 | Robert Floras v Marek Badowski | L | 2-0 |
| Challenger Ochsenhausen | 2021/10/29 16:20 | Jakub Folwarski v Marek Badowski | L | 3-2 |
| Challenger Ochsenhausen | 2021/10/17 14:06 | Marek Badowski v Konrad Kulpa | W | 3-0 |
| TT Star Series | 2021/10/10 14:18 | Marek Badowski v Kamil Zdenitski | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/08 17:28 | Wang, Zengyi v Marek Badowski | L | 2-0 |
| Asian Championship | 2021/10/01 16:09 | Woojin Jang v Chien-An Chen | L | 3-1 |
| Asian Championship | 2021/10/01 10:31 | Shunsuke Togami v Chien-An Chen | W | 2-3 |
| Asian Championship | 2021/10/01 08:31 | Yuto Kizukuri v Chien-An Chen | W | 0-3 |
| WTT Star Contender Doha | 2021/09/22 12:30 | Chien-An Chen v Ricardo Walther | L | 2-3 |
| Olympics 2020 - Team Men | 2021/08/03 06:30 | Chien-An Chen v Timo Boll | L | 0-3 |
| WTT Star Contender Doha | 2021/03/07 08:45 | Chien-An Chen v Noshad Alamiyan | L | 0-3 |
| WTT Contender - Doha | 2021/03/01 07:00 | Chien-An Chen v Benedek Olah | L | 1-3 |
| Challenge Plus Portugal Open 2020, MS, Quali | 2020/02/14 20:00 | Chien-An Chen v Mihai Bobocica | L | 3-4 |