The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Chak Lam Coleman Wong v Zdenek Kolar

Kickoff: 2026-05-20 13:00 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

9 sportsbooks (5 in analysis )

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

Chak Lam Coleman Wong (Local)

Prediction 37.38%2.68fair odd
EV -2.81%
Edge -1.08%
Kelly -1.76%
Growth +0.000%

assuming max odds 2.60

Bookmakers’ predictions’ distribution
37.05%37.66%37.50%39.09%MIN.MEANMEDIANMAX.
Odds’ distribution
2.402.472.452.6041.67%40.47%40.82%38.46%MIN.MEANMEDIANMAX.

Zdenek Kolar (Visit)

Prediction 62.62%1.60fair odd
EV -2.94%
Edge -1.90%
Kelly -5.35%
Growth +0.000%

assuming max odds 1.55

Bookmakers’ predictions’ distribution
60.91%62.34%62.50%62.95%MIN.MEANMEDIANMAX.
Odds’ distribution
1.431.491.481.5569.93%66.96%67.57%64.52%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Chak Lam Coleman Wong (Local): 37.38%; Zdenek Kolar (Visit): 62.62%. For Chak Lam Coleman Wong (Local), that estimate was equivalent to fair decimal odds of 2.68. No eligible bookmaker offered closing odds above that level: the best were 2.60, with an expected value of -2.81%; they did not produce positive expected value.

Sportsbook Odds (9 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
Pinnacle🎯2.60I 38.46%NM 37.05%EV -2.81%E -1.08%K -1.76%G +0.000%1.53I 65.36%NM 62.95%EV -4.19%E -2.74%K -7.91%G +0.000%3.8%2026-05-20 12:09
PlayUp🎯2.50I 40.00%NM 38.27%EV -6.55%E -2.62%K -4.37%G +0.000%1.55I 64.52%NM 61.73%EV -2.94%E -1.90%K -5.35%G +0.000%4.5%2026-05-20 12:49
Betway🎯2.50I 40.00%NM 37.50%EV -6.55%E -2.62%K -4.37%G +0.000%1.50I 66.67%NM 62.50%EV -6.07%E -4.05%K -12.14%G +0.000%6.7%2026-05-20 12:09
MyBookie.ag🎯2.47I 40.49%NM 37.47%EV -7.67%E -3.10%K -5.22%G +0.000%1.48I 67.57%NM 62.53%EV -7.32%E -4.95%K -15.26%G +0.000%8.1%2026-05-20 12:46
Betsson🎯2.45I 40.82%NM 37.50%EV -8.42%E -3.44%K -5.80%G +0.000%1.47I 68.03%NM 62.50%EV -7.95%E -5.41%K -16.91%G +0.000%8.8%2026-05-20 12:49
NordicBet🎯2.45I 40.82%NM 37.50%EV -8.42%E -3.44%K -5.80%G +0.000%1.47I 68.03%NM 62.50%EV -7.95%E -5.41%K -16.91%G +0.000%8.8%2026-05-20 12:49
Fliff🎯2.45I 40.82%NM 37.50%EV -8.42%E -3.44%K -5.80%G +0.000%1.47I 68.03%NM 62.50%EV -7.95%E -5.41%K -16.91%G +0.000%8.8%2026-05-20 12:49
NetBet (FR)🎯2.42I 41.32%NM 37.14%EV -9.54%E -3.94%K -6.72%G +0.000%1.43I 69.93%NM 62.86%EV -10.45%E -7.31%K -24.31%G +0.000%11.3%2026-05-20 12:39
theScore Bet🎯2.40I 41.67%NM 39.09%EV -10.29%E -4.29%K -7.35%G +0.000%1.54I 64.94%NM 60.91%EV -3.57%E -2.32%K -6.60%G +0.000%6.6%2026-05-20 12:49
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 (2)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎2.70I 37.04%NM 36.32%1.54I 64.94%NM 63.68%2.0%2026-05-20 12:48
Novig◎2.59I 38.61%NM 37.29%1.54I 64.94%NM 62.71%3.5%2026-05-20 12:09