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