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