2022 WTT Contender | ITTF rankings: Koh Kai Xin Pearlyn 109, Zhang Wanling 137 |
2022 Singapore Smash | ITTF rankings: Koh Kai Xin Pearlyn 104, Zhang Wanling 127 |
2022 WTT Contender | ITTF rankings: Koh Kai Xin Pearlyn 102, Zhang Wanling 125 |
2018 Hong Kong Junior and Cadet Open | ITTF rankings: Koh Kai Xin Pearlyn 8, Zhang Wanling 738 |
2018 Challenge, Thailand Open | ITTF rankings: Koh Kai Xin Pearlyn 8, Zhang Wanling 558 |
2015 Hong Kong Junior and Cadet Open | ITTF rankings: Koh Kai Xin Pearlyn 991, Zhang Wanling 964 |