Career
Ishizu was the runner-up in the girls" singles event of the 2010 Wimbledon Championships and reached a highest ranking of northern 5 on the International Tennis Federation Junior Circuit. Following her junior career, she chose to attend the University of Tsukuba but decided in 2013 to take a leave of absence to focus on tennis and spend time training in the United States.
She is coached by her father, Yasuhiko Ishizu.
Ishizu participated at the 2013 Summer Universiade in Kazan, Russia, winning the Gold medal in the Women"s Singles and the Women"s Team competition. Singles 12 (8-4)
Doubles: 4 (1–3).
