The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Claire Liu v Katarzyna Kawa

Kickoff: 2026-05-20 15:30 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

8 sportsbooks (4 in analysis )

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

Claire Liu (Local)

Prediction 54.73%1.83fair odd
EV +0.158%
Edge +0.086%
Kelly +0.191%
Growth +0.000%

assuming max odds 1.83

Bookmakers’ predictions’ distribution
52.59%54.91%54.73%57.59%MIN.MEANMEDIANMAX.
Odds’ distribution
1.611.701.671.8362.11%58.95%60.06%54.64%MIN.MEANMEDIANMAX.

Katarzyna Kawa (Visit)

Prediction 45.27%2.21fair odd
EV -0.409%
Edge -0.186%
Kelly -0.341%
Growth +0.000%

assuming max odds 2.20

Bookmakers’ predictions’ distribution
42.41%45.09%45.27%47.41%MIN.MEANMEDIANMAX.
Odds’ distribution
1.932.082.092.2051.81%48.11%47.85%45.45%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Claire Liu (Local): 54.73%; Katarzyna Kawa (Visit): 45.27%. For Claire Liu (Local), that estimate was equivalent to fair decimal odds of 1.827. 1 bookmaker offered closing odds above that level; the best were 1.830, corresponding to a positive expected value of +0.158%.

Sportsbook Odds (8 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
Pinnacle🎯1.83I 54.64%NM 52.59%EV +0.158%E +0.086%K +0.191%G +0.000%2.03I 49.26%NM 47.41%EV -8.10%E -3.99%K -7.87%G +0.000%3.9%2026-05-20 14:39
PlayUp🎯1.80I 55.56%NM 52.88%EV -1.48%E -0.824%K -1.85%G +0.000%2.02I 49.50%NM 47.12%EV -8.56%E -4.24%K -8.39%G +0.000%5.1%2026-05-20 14:40
GTbets🎯1.76I 56.82%NM 54.17%EV -3.67%E -2.09%K -4.83%G +0.000%2.08I 48.08%NM 45.83%EV -5.84%E -2.81%K -5.41%G +0.000%4.9%2026-05-20 14:38
NetBet (FR)🎯1.68I 59.52%NM 53.46%EV -8.05%E -4.79%K -11.84%G +0.000%1.93I 51.81%NM 46.54%EV -12.63%E -6.54%K -13.58%G +0.000%11.3%2026-05-20 14:40
Betway🎯1.65I 60.61%NM 56.00%EV -9.69%E -5.87%K -14.91%G +0.000%2.10I 47.62%NM 44.00%EV -4.94%E -2.35%K -4.49%G +0.000%8.2%2026-05-20 15:10
theScore Bet🎯1.62I 61.73%NM 57.59%EV -11.34%E -7.00%K -18.28%G +0.000%2.20I 45.45%NM 42.41%EV -0.409%E -0.186%K -0.341%G +0.000%7.2%2026-05-20 15:10
Fliff🎯1.62I 61.73%NM 56.45%EV -11.34%E -7.00%K -18.28%G +0.000%2.10I 47.62%NM 43.55%EV -4.94%E -2.35%K -4.49%G +0.000%9.3%2026-05-20 15:10
NordicBet🎯1.61I 62.11%NM 57.41%EV -11.88%E -7.38%K -19.48%G +0.000%2.17I 46.08%NM 42.59%EV -1.77%E -0.814%K -1.51%G +0.000%8.2%2026-05-20 15:10
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.

Exchanges (2)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎1.82I 54.95%NM 53.33%2.08I 48.08%NM 46.67%3.0%2026-05-20 15:07
Novig◎1.81I 55.25%NM 52.99%2.04I 49.02%NM 47.01%4.3%2026-05-20 14:48