Katie Boulter vs Sayaka Ishii Prediction

TokyoHard courtOctober 23, 2026

SetProb predicts Katie Boulter to win (85% probability) over Sayaka Ishii.

Katie Boulter

Rank #58 Top 100

No H2H

Sayaka Ishii

Rank #589 Outside Top 200

85%Probability: Katie Boulter15%

ELO

77%23%

H2H

50%50%

H2H Surface

50%50%

Surface

59%41%

Last 10

55%45%

Season Form

58%42%

Our model: 85%·Odds (Kalshi): 55%·Edge: +30%·Market agrees

Probability→ Favor Katie Boulter (85% prob)Elite🔒 Confidence raised

Add to picks