Live points verified daily against the official ranking: 946 of 1,000 in the WTA top 1,000 match to the point. How we check ›
Sayaka Ishii, a 20-year-old Japanese professional, holds the #861 spot in the live WTA rankings with 35 points. Ishii dropped 5 places in the most recent release. Ishii is a right-hander.
Ishii carries an ELO rating of 1534 over 178 rated matches, strongest on hard courts (1545). Ishii's next scheduled points drop is 8 points from W35 Burnie 1 on March 1, 2027, when that result rolls off the 52-week ranking, and 14 results currently count toward Ishii's ranking total.
<a href="https://atprank.com/player/sayaka-ishii"><img src="https://atprank.com/api/card/player/sayaka-ishii" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Sayaka Ishii won as the betting underdog, ranked by pre-match odds.
Sayaka Ishii’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Aoi ItoAustralian Open - Melbourne 2025 · 6-3 6-4ELO 1649def. 
Zeynep SonmezToray Pan Pacific Open - Tokyo 2024 · 4-6 6-2 6-3ELO 1626def. 
Clara TausonToray Pan Pacific Open - Tokyo 2024 · 1-6 7-5 7-5ELO 1622def. 
Maya JointW100 Cary 1 2024 · 6-3 4-6 6-1ELO 1615def. Aoi ItoW35 Miyazaki 2026 · 6-0 6-0ELO 1614Last match Jul 14, 2026 · last win May 11, 2026
Level on points with Eugenie Bouchard at #860.
Points needed to reach each tier, assuming other players’ totals stay the same.
Sayaka Ishii's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.
Joanna Garland