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Yufei Ren vs Ayumi Koshiishi

Tennis
2025-09-10 13:26
Start: 2025-09-11 02:00

Summary

Pick: away
EV: 0.1205

Current Odds

Home 1.382|Away 2.88
Best Odds

Match Info

Match key: Yufei Ren_Ayumi Koshiishi_2025-09-11

Analysis

Summary: We see value on Ayumi Koshiishi at 2.49 given her experience and Ren's poor record; the price implies a lower chance than we estimate, producing ~12% ROI.

Highlights

  • Ayumi's career experience and positive win rate contrast sharply with Ren's 10-21 record
  • Current decimal 2.49 on Ayumi implies break-even probability ~40.2%, below our 45% estimate

Pros

  • + Positive expected value at current widely-available price (EV ≈ +12%)
  • + Strong experience edge for the away player against a young/inexperienced opponent

Cons

  • - Surface and detailed recent-match context for this specific event are not provided and could alter win probabilities
  • - Both players have recent losses, so short-term form volatility raises outcome uncertainty

Details

The market prices Yufei Ren as a strong favorite at 1.467 (implied ~63% normalized), but the underlying profiles show Ren with a weak career/season record (10-21) and poor recent form, while Ayumi Koshiishi brings far greater experience and a positive career win rate (559-507). Both players have recent losses, but Ayumi's experience and overall winning history make her more likely to win than the market-implied probability for her 2.49 price. Using a conservative estimated true probability of 45% for Ayumi against a decimal price of 2.49 yields positive expected value (EV = 0.45*2.49 - 1 = +0.1205). We therefore recommend betting the away player only because current odds (2.49) offer measurable value versus our probability estimate.

Key factors

  • Ayumi Koshiishi's long career and positive overall win-loss record (559-507) implies higher baseline quality
  • Yufei Ren's recent season-level record is weak (10-21) with multiple recent losses, suggesting vulnerability
  • Market overprices the home favorite; 2.49 on the away requires only ~40.16% to break even, we estimate ~45% true win chance