2019 ITTF Challenge Plus, Pyongyang Open | ITTF rankings: Ri Kwang Myong 470, Ham Yu Song 2384 |
2019 World Table Tennis Championships | ITTF rankings: Ri Kwang Myong 809, Ham Yu Song 1732 |
2018 World Tour, Korean Open | ITTF rankings: Ri Kwang Myong 812, Ham Yu Song 323 |