Kasumi Ishikawa's entire family, which consists of her father, mother, and younger sister, play or used to play competitive table tennis. She has a younger sister, Rira, who was also a professional table tennis player, while her m… See more

In Japan, Ishikawa has ranked among the five "most-liked" sportswomen every year from 2014 to 2020 in surveys published by Oricon, after ranking No. 10 in 2013. As she is fluent in Mandarin which she learned from Chinese co… See more