Ishikawa made her professional boxing debut in September 2016 when she created headlines by bringing an owl to the weigh-in for the fight.[3]
She knocked out Nitinart Plabplerng in the fourth round of their contest at Wat Pak Bo School, Bangkok, Thailand, on 25 May 2023 to claim the WBC female atomweight International title.[4]
Moving up a weight division for her next bout, Ishikawa won the vacant WBC female strawweight Silver title by knocking out Sothita Sitthichai in round three at the Singmanassak Muaythai School, Pathum Thani, Thailand, on 27 August 2023.[5][6] The two fighters met again at the same venue on 3 May 2024, this time with the vacant interim WBC female strawweight World title on the line. Ishikawa knocked out Sitthichai in the second round.[7]