2017 World Tour, Australian Open | ITTF rankings: Ishikawa Kasumi 3090, Hamamoto Yui 2663 |
2017 World Tour, China Open | ITTF rankings: Ishikawa Kasumi 3109, Hamamoto Yui 2738 |
2017 World Tour, Japan Open | ITTF rankings: Ishikawa Kasumi 3109, Hamamoto Yui 2738 |