| Challenger Ochsenhausen | 2019/10/27 15:31 | Patryk Chojnowski v Lei Kou | W | 0-3 |
| Poland First league | 2019/10/24 18:17 | Chan-Hyeok Park v Lei Kou | W | 1-2 |
| Poland First league | 2019/10/24 16:48 | Adam Dosz v Lei Kou | W | 1-3 |
| German Open | 2019/10/09 12:40 | Lei Kou v An Yan | L | 1-4 |
| Bulgaria Open | 2019/08/15 13:45 | Liam Pitchford v Lei Kou | L | 4-2 |
| Bulgaria Open | 2019/08/14 18:05 | Kirill Skachkov v Lei Kou | W | 1-4 |
| European Games | 2019/06/26 14:00 | Tomislav Pucar v Lei Kou | L | 4-1 |
| European Games | 2019/06/26 10:00 | Jonathan Groth v Lei Kou | L | 4-0 |