The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Aliaksandra Sasnovich v Whitney Osuigwe

Kickoff: 2026-05-18 18:00 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

10 sportsbooks (6 in analysis )

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

Aliaksandra Sasnovich (Local)

Prediction 70.56%1.42fair odd
EV -4.03%
Edge -2.97%
Kelly -11.20%
Growth +0.000%

assuming max odds 1.36

Bookmakers’ predictions’ distribution
69.82%70.61%70.66%71.58%MIN.MEANMEDIANMAX.
Odds’ distribution
1.281.321.331.3678.13%75.59%75.47%73.53%MIN.MEANMEDIANMAX.

Whitney Osuigwe (Visit)

Prediction 29.44%3.40fair odd
EV -2.57%
Edge -0.775%
Kelly -1.11%
Growth +0.000%

assuming max odds 3.31

Bookmakers’ predictions’ distribution
28.42%29.39%29.34%30.18%MIN.MEANMEDIANMAX.
Odds’ distribution
3.053.183.203.3132.79%31.42%31.30%30.21%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Aliaksandra Sasnovich (Local): 70.56%; Whitney Osuigwe (Visit): 29.44%. For Whitney Osuigwe (Visit), that estimate was equivalent to fair decimal odds of 3.40. No eligible bookmaker offered closing odds above that level: the best were 3.31, with an expected value of -2.57%; they did not produce positive expected value.

Sportsbook Odds (10 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
Pinnacle🎯1.36I 73.53%NM 70.88%EV -4.03%E -2.97%K -11.20%G +0.000%3.31I 30.21%NM 29.12%EV -2.57%E -0.775%K -1.11%G +0.000%3.7%2026-05-18 17:25
PlayUp🎯1.36I 73.53%NM 70.18%EV -4.03%E -2.97%K -11.20%G +0.000%3.20I 31.25%NM 29.82%EV -5.80%E -1.81%K -2.64%G +0.000%4.8%2026-05-18 17:30
Marathon Bet🎯1.34I 74.63%NM 69.82%EV -5.44%E -4.06%K -16.01%G +0.000%3.10I 32.26%NM 30.18%EV -8.75%E -2.82%K -4.17%G +0.000%6.9%2026-05-18 17:30
Betway🎯1.33I 75.19%NM 70.96%EV -6.15%E -4.62%K -18.64%G +0.000%3.25I 30.77%NM 29.04%EV -4.33%E -1.33%K -1.93%G +0.000%6.0%2026-05-18 17:10
BoyleSports🎯1.33I 75.19%NM 69.98%EV -6.15%E -4.62%K -18.64%G +0.000%3.10I 32.26%NM 30.02%EV -8.75%E -2.82%K -4.17%G +0.000%7.4%2026-05-18 17:10
NordicBet🎯1.32I 75.76%NM 71.30%EV -6.86%E -5.19%K -21.42%G +0.000%3.28I 30.49%NM 28.70%EV -3.45%E -1.05%K -1.51%G +0.000%6.2%2026-05-18 17:10
GTbets🎯1.32I 75.76%NM 70.73%EV -6.86%E -5.19%K -21.42%G +0.000%3.19I 31.35%NM 29.27%EV -6.10%E -1.91%K -2.78%G +0.000%7.1%2026-05-18 17:10
theScore Bet🎯1.31I 76.34%NM 71.58%EV -7.56%E -5.77%K -24.39%G +0.000%3.30I 30.30%NM 28.42%EV -2.86%E -0.867%K -1.24%G +0.000%6.6%2026-05-18 17:10
Unibet (FR)🎯1.28I 78.13%NM 70.44%EV -9.68%E -7.56%K -34.57%G +0.000%3.05I 32.79%NM 29.56%EV -10.22%E -3.35%K -4.99%G +0.000%10.9%2026-05-18 17:15
NetBet (FR)🎯1.28I 78.13%NM 70.44%EV -9.68%E -7.56%K -34.57%G +0.000%3.05I 32.79%NM 29.56%EV -10.22%E -3.35%K -4.99%G +0.000%10.9%2026-05-18 17:10
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 (1)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎1.35I 74.07%NM 71.88%3.45I 28.99%NM 28.13%3.1%2026-05-18 17:35