The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Kayla Day v Taylah Preston

Kickoff: 2026-08-11 16:00 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

11 sportsbooks (6 in analysis )

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

Kayla Day (Local)

Prediction 53.18%1.88fair odd
EV -2.68%
Edge -1.46%
Kelly -3.23%
Growth +0.000%

assuming max odds 1.83

Bookmakers’ predictions’ distribution
51.07%53.01%52.96%54.97%MIN.MEANMEDIANMAX.
Odds’ distribution
1.701.771.771.8358.82%56.61%56.50%54.64%MIN.MEANMEDIANMAX.

Taylah Preston (Visit)

Prediction 46.82%2.14fair odd
EV -1.21%
Edge -0.574%
Kelly -1.09%
Growth +0.000%

assuming max odds 2.11

Bookmakers’ predictions’ distribution
45.03%46.99%47.04%48.93%MIN.MEANMEDIANMAX.
Odds’ distribution
1.912.022.032.1152.36%49.44%49.26%47.39%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Kayla Day (Local): 53.18%; Taylah Preston (Visit): 46.82%. For Taylah Preston (Visit), that estimate was equivalent to fair decimal odds of 2.14. No eligible bookmaker offered closing odds above that level: the best were 2.11, with an expected value of -1.21%; they did not produce positive expected value.

Sportsbook Odds (11 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
BoyleSports🎯1.83I 54.64%NM 51.07%EV -2.68%E -1.46%K -3.23%G +0.000%1.91I 52.36%NM 48.93%EV -10.58%E -5.54%K -11.62%G +0.000%7.0%2026-08-11 15:49
LowVig.ag🎯1.81I 55.25%NM 52.86%EV -3.74%E -2.07%K -4.62%G +0.000%2.03I 49.26%NM 47.14%EV -4.96%E -2.44%K -4.81%G +0.000%4.5%2026-08-11 15:50
BetOnline.ag🎯1.81I 55.25%NM 52.86%EV -3.74%E -2.07%K -4.62%G +0.000%2.03I 49.26%NM 47.14%EV -4.96%E -2.44%K -4.81%G +0.000%4.5%2026-08-11 15:50
Betway🎯1.80I 55.56%NM 52.63%EV -4.27%E -2.37%K -5.34%G +0.000%2.00I 50.00%NM 47.37%EV -6.36%E -3.18%K -6.36%G +0.000%5.6%2026-08-11 14:49
Pinnacle🎯1.78I 56.18%NM 54.24%EV -5.34%E -3.00%K -6.84%G +0.000%2.11I 47.39%NM 45.76%EV -1.21%E -0.574%K -1.09%G +0.000%3.6%2026-08-11 15:50
theScore Bet🎯1.77I 56.50%NM 53.05%EV -5.87%E -3.32%K -7.62%G +0.000%2.00I 50.00%NM 46.95%EV -6.36%E -3.18%K -6.36%G +0.000%6.5%2026-08-11 14:49
NordicBet🎯1.75I 57.14%NM 52.83%EV -6.93%E -3.96%K -9.24%G +0.000%1.96I 51.02%NM 47.17%EV -8.23%E -4.20%K -8.58%G +0.000%8.2%2026-08-11 15:46
Ladbrokes (UK)🎯1.73I 57.80%NM 54.23%EV -8.00%E -4.62%K -10.95%G +0.000%2.05I 48.78%NM 45.77%EV -4.02%E -1.96%K -3.83%G +0.000%6.6%2026-08-11 15:49
Coral🎯1.73I 57.80%NM 54.23%EV -8.00%E -4.62%K -10.95%G +0.000%2.05I 48.78%NM 45.77%EV -4.02%E -1.96%K -3.83%G +0.000%6.6%2026-08-11 15:49
PlayUp🎯1.72I 58.14%NM 54.97%EV -8.53%E -4.96%K -11.85%G +0.000%2.10I 47.62%NM 45.03%EV -1.68%E -0.800%K -1.53%G +0.000%5.8%2026-08-11 15:50
Marathon Bet🎯1.70I 58.82%NM 54.18%EV -9.59%E -5.64%K -13.70%G +0.000%2.01I 49.75%NM 45.82%EV -5.89%E -2.93%K -5.84%G +0.000%8.6%2026-08-11 15:49
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 (1)

BookmakerLocalVisitMargin ▲Updated
ProphetX◎1.84I 54.35%NM 52.82%2.06I 48.54%NM 47.18%2.9%2026-08-11 15:55

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