| Qatar Open 2020, MS, Qualification | 2017/02/23 13:00 | Kou, Lei v Chih Yuan Chuang | L | 1-4 |
| Qatar Open XD | 2017/02/22 14:22 | Kou, Lei v Flore, Tristan | W | 4-1 |
| Qatar Open 2019, MS | 2017/02/05 14:30 | Simon Gauzy v Kou, Lei | L | 4-0 |
| Qatar Open 2019, MS | 2017/02/05 11:00 | Dimitrij Ovtcharov v Kou, Lei | L | 4-3 |
| Qatar Open 2019, MS | 2017/02/04 14:00 | Kou, Lei v Andrej Gacina | W | 4-3 |
| Qatar Open 2019, MS | 2017/02/03 19:30 | Samsonov, Vladimir v Kou, Lei | W | 0-3 |
| Qatar Open 2019, MS | 2017/02/03 15:00 | Emmanuel Lebesson v Kou, Lei | W | 0-3 |
| Qatar Open 2019, MS | 2017/02/03 10:30 | Tiago Apolonia v Kou, Lei | L | 3-2 |
| Qatar Open XD | 2016/11/16 16:31 | Lakeev, Vasili v Novota, Samuel | L | 0-4 |