Head to Head
| WTT Feeder Doha | 2022/03/14 08:15 | Kay Stumper v Yuanyu Chen | L | 2-3 |
Home History
| WTT Feeder Dusseldorf II | 2024/11/22 10:30 | Kay Stumper v Qihao Zhou | W | 3-2 |
| WTT Feeder Dusseldorf II | 2024/11/21 17:15 | Kay Stumper v Yuto Muramatsu | W | 3-0 |
| WTT Feeder Dusseldorf II | 2024/11/21 17:15 | Kay Stumper v Yuto Muramatsu | W | 3-0 |
| WTT Feeder Dusseldorf II | 2024/11/21 13:05 | Ricardo Walther v Kay Stumper | W | 0-3 |
| WTT Feeder Dusseldorf II | 2024/11/20 17:40 | Adrien Rassenfosse v Kay Stumper | W | 0-3 |
| WTT Feeder Cagliari | 2024/10/27 10:05 | Kay Stumper v Lilian Bardet | L | 0-3 |
| WTT Feeder Cagliari | 2024/10/26 16:10 | Yu-An Chang v Kay Stumper | W | 2-3 |
| WTT Feeder Cagliari | 2024/10/26 09:55 | Kay Stumper v Borgar Haug | W | 3-0 |
Away History
| WTT Feeder Dusseldorf II | 2024/11/22 11:15 | Yuanyu Chen v Steffen Mengel | W | 3-2 |
| WTT Feeder Dusseldorf II | 2024/11/21 17:15 | Yuanyu Chen v Ovidiu Ionescu | W | 3-0 |
| WTT Feeder Dusseldorf II | 2024/11/21 12:15 | Haidong Xu v Yuanyu Chen | W | 0-3 |
| WTT Feeder Dusseldorf II | 2024/11/20 18:00 | Yaroslav Zhmudenko v Yuanyu Chen | W | 1-3 |
| WTT Contender Muscat | 2024/11/01 09:40 | Shidong Lin v Yuanyu Chen | L | 3-0 |
| WTT Contender Muscat | 2024/10/31 09:35 | Yuanyu Chen v Qihao Zhou | W | 3-0 |
| WTT Contender Muscat | 2024/10/30 10:15 | Yuanyu Chen v Kwan Kit Ho | W | 3-1 |
| WTT Contender Muscat Quals | 2024/10/29 13:20 | Yuanyu Chen v Chun Kit Choy | W | 3-1 |