WTT Feeder | ITTF rankings: Sim Hyunju 6, Yoon Hyobin 91 |
WTT Contender | ITTF rankings: Sim Hyunju 51, Yoon Hyobin 96 |
2018 Challenge, Slovenian Open | ITTF rankings: Sim Hyunju 519, Yoon Hyobin 789 |
2018 Challenge, Spanish Open | ITTF rankings: Sim Hyunju 519, Yoon Hyobin 789 |