The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Sloane Stephens v Carol Young Suh Lee

Kickoff: 2026-05-18 14:30 UTC

Closing line — the calculated probabilities and expected value from the last prices recorded before kickoff, under your selected model. The game has started, so these are not live figures. Assess the reliability of each model's probability predictions against all settled-game outcomes →

Head to Head

6 sportsbooks (4 in analysis )

Estimated chance of each outcome, according to the model: Interquartile mean (Vetted List)

Sloane Stephens (Local)

Prediction 69.61%1.44fair odd
EV -2.55%
Edge -1.82%
Kelly -6.37%
Growth +0.000%

assuming max odds 1.40

Bookmakers’ predictions’ distribution
66.27%69.15%69.61%71.11%MIN.MEANMEDIANMAX.
Odds’ distribution
1.301.361.351.4076.92%73.80%73.80%71.43%MIN.MEANMEDIANMAX.

Carol Young Suh Lee (Visit)

Prediction 30.39%3.29fair odd
EV -0.925%
Edge -0.284%
Kelly -0.409%
Growth +0.000%

assuming max odds 3.26

Bookmakers’ predictions’ distribution
28.89%30.85%30.39%33.73%MIN.MEANMEDIANMAX.
Odds’ distribution
2.753.002.963.2636.36%33.37%33.78%30.67%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Sloane Stephens (Local): 69.61%; Carol Young Suh Lee (Visit): 30.39%. For Carol Young Suh Lee (Visit), that estimate was equivalent to fair decimal odds of 3.29. No eligible bookmaker offered closing odds above that level: the best were 3.26, with an expected value of -0.925%; they did not produce positive expected value.

Sportsbook Odds (6 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
BoyleSports🎯1.40I 71.43%NM 66.27%EV -2.55%E -1.82%K -6.37%G +0.000%2.75I 36.36%NM 33.73%EV -16.42%E -5.97%K -9.39%G +0.000%7.8%2026-05-18 14:25
Pinnacle🎯1.37I 72.99%NM 70.41%EV -4.64%E -3.38%K -12.53%G +0.000%3.26I 30.67%NM 29.59%EV -0.925%E -0.284%K -0.409%G +0.000%3.7%2026-05-18 14:25
theScore Bet🎯1.36I 73.53%NM 68.81%EV -5.33%E -3.92%K -14.81%G +0.000%3.00I 33.33%NM 31.19%EV -8.83%E -2.94%K -4.41%G +0.000%6.9%2026-05-18 14:25
NordicBet🎯1.35I 74.07%NM 68.38%EV -6.03%E -4.47%K -17.22%G +0.000%2.92I 34.25%NM 31.62%EV -11.26%E -3.86%K -5.86%G +0.000%8.3%2026-05-18 14:25
Fliff🎯1.35I 74.07%NM 67.86%EV -6.03%E -4.47%K -17.22%G +0.000%2.85I 35.09%NM 32.14%EV -13.39%E -4.70%K -7.24%G +0.000%9.2%2026-05-18 14:25
Betway🎯1.30I 76.92%NM 71.11%EV -9.51%E -7.31%K -31.69%G +0.000%3.20I 31.25%NM 28.89%EV -2.75%E -0.859%K -1.25%G +0.000%8.2%2026-05-18 14:24
Margin = Margin (Overround) · I = Implied Probability · NM = No-Margin Probability · EV = Expected Value · E = Edge · K = Kelly Criterion · G = Bankroll Growth

Updated is when each book last changed its price, so an older time means the odds simply haven't moved, not that the price is stale. Books not seen in the last ~15 minutes are normally dropped; only if a whole market's feed goes quiet are the latest recorded prices shown instead.