| WTT Feeder Panagyurishte Quals | 2022/08/31 12:00 | Elias Hardmeier v Baek, Kwangil | W | 1-3 |
| WTT Feeder Olomouc Quals | 2022/08/23 08:45 | Baek, Kwangil v Liu, Yebo | L | 1-3 |
| Challenge Plus Portugal Open 2020, MS, Quali | 2020/02/12 17:15 | Baek, Kwangil v Weber, Lionel | L | 3-4 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 19:55 | Steffen Mengel v Baek, Kwangil | L | 4-2 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 14:00 | Baek, Kwangil v Hunor Szocs | W | 4-2 |
| WTT Feeder Panagyurishte Quals | 2022/08/31 12:00 | Kai Zhou v Kholikov, Elmurod | W | 3-0 |
| WTT Feeder Panagyurishte Quals | 2022/08/30 11:00 | Kai Zhou v Cantero, Jesus | W | 3-0 |
| WTT Feeder Olomouc Quals | 2022/08/24 17:15 | Kai Zhou v Park, Chan-Hyeok | L | 1-3 |
| WTT Feeder Olomouc Quals | 2022/08/24 11:30 | Kai Zhou v Lilian Bardet | W | 3-2 |
| WTT Feeder Olomouc Quals | 2022/08/23 15:50 | Rafael Turrini v Kai Zhou | W | 0-3 |
| North American Open | 2019/12/08 20:55 | Can Akkuzu v Kai Zhou | L | 4-2 |
| North American Open | 2019/12/07 23:05 | Kai Zhou v Haidong Xu | W | 4-3 |
| North American Open | 2019/12/07 18:10 | Fei Xue v Kai Zhou | W | 3-4 |