Sayaka Ishii (石井さやか, Ishii Sayaka; born 31 August 2005) is a Japanese professional tennis player. She has career-high rankings of world No. 188 in singles, achieved on 17 March 2025, and No. 285 in doubles, achieved on 19 May 2025.
Source: “Sayaka Ishii”, English Wikipedia (CC BY-SA 4.0), excerpt
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