The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Iga Swiatek v Xiyu Wang

2026-08-30 15:00 UTC — WTA US Open

Head to Head

32 sportsbooks (9 in analysis )

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

Iga Swiatek (Local)

Prediction 88.84%1.13fair odd
EV -3.16%
Edge -2.90%
Kelly -35.14%
Growth +0.000%

assuming max odds 1.09

Bookmakers’ predictions’ distribution
84.57%88.68%88.91%89.64%MIN.MEANMEDIANMAX.
Odds’ distribution
1.041.071.081.0996.15%93.40%92.59%91.74%MIN.MEANMEDIANMAX.

Xiyu Wang (Visit)

Prediction 11.16%8.96fair odd
EV +0.423%
Edge +0.047%
Kelly +0.053%
Growth +0.000%

assuming max odds 9.00

Bookmakers’ predictions’ distribution
10.36%11.32%11.09%15.43%MIN.MEANMEDIANMAX.
Odds’ distribution
5.708.018.009.0017.54%12.48%12.50%11.11%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Iga Swiatek (Local): 88.84%; Xiyu Wang (Visit): 11.16%. For Xiyu Wang (Visit), that estimate is equivalent to fair decimal odds of 8.96. 2 bookmakers offer odds above that level; the best available odds are 9.00, producing a positive expected value of +0.423%.

Sportsbook Odds (32 sportsbooks)

We're not affiliated with any bookmaker, we earn nothing from any action done with them.

BookmakerLocalVisit ▼MarginUpdated
Betway🎯1.07I 93.46%NM 89.37%EV -4.94%E -4.62%K -70.56%G +0.000%9.00I 11.11%NM 10.63%EV +0.423%E +0.047%K +0.053%G +0.000%4.6%2026-08-27 22:31
SportsBet🎯1.04I 96.15%NM 89.64%EV -7.60%E -7.31%K -190.11%G +0.000%9.00I 11.11%NM 10.36%EV +0.423%E +0.047%K +0.053%G +0.000%7.3%2026-08-27 23:45
Fanatics🎯1.07I 93.46%NM 89.05%EV -4.94%E -4.62%K -70.56%G +0.000%8.70I 11.49%NM 10.95%EV -2.92%E -0.336%K -0.380%G +0.000%5.0%2026-08-27 23:45
Betsson🎯1.06I 94.34%NM 89.03%EV -5.83%E -5.50%K -97.13%G +0.000%8.60I 11.63%NM 10.97%EV -4.04%E -0.470%K -0.532%G +0.000%6.0%2026-08-27 23:55
NordicBet🎯1.06I 94.34%NM 89.03%EV -5.83%E -5.50%K -97.13%G +0.000%8.60I 11.63%NM 10.97%EV -4.04%E -0.470%K -0.532%G +0.000%6.0%2026-08-27 23:55
Marathon Bet🎯1.06I 94.34%NM 89.03%EV -5.83%E -5.50%K -97.13%G +0.000%8.60I 11.63%NM 10.97%EV -4.04%E -0.470%K -0.532%G +0.000%6.0%2026-08-28 00:45
GTbets🎯1.09I 91.74%NM 88.66%EV -3.16%E -2.90%K -35.14%G +0.000%8.52I 11.74%NM 11.34%EV -4.93%E -0.579%K -0.656%G +0.000%3.5%2026-08-27 21:45
theScore Bet🎯1.06I 94.34%NM 88.91%EV -5.83%E -5.50%K -97.13%G +0.000%8.50I 11.76%NM 11.09%EV -5.16%E -0.607%K -0.688%G +0.000%6.1%2026-08-27 23:45
Betr (AU)🎯1.06I 94.34%NM 88.91%EV -5.83%E -5.50%K -97.13%G +0.000%8.50I 11.76%NM 11.09%EV -5.16%E -0.607%K -0.688%G +0.000%6.1%2026-08-27 23:39
PointsBet (AU)🎯1.06I 94.34%NM 88.91%EV -5.83%E -5.50%K -97.13%G +0.000%8.50I 11.76%NM 11.09%EV -5.16%E -0.607%K -0.688%G +0.000%6.1%2026-08-27 23:39
DraftKings🎯1.07I 93.46%NM 88.33%EV -4.94%E -4.62%K -70.56%G +0.000%8.10I 12.35%NM 11.67%EV -9.62%E -1.19%K -1.35%G +0.000%5.8%2026-08-27 23:45
PMU (FR)🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 20:35
BetRivers🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 20:36
ATG (SE)🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 20:35
Svenska Spel🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 20:35
Grosvenor🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:40
Casumo🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:40
Virgin Bet🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:40
betPARX🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:40
LiveScore Bet🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:45
Bally Bet🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:45
Unibet (NL)🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:50
Hard Rock Bet🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 21:55
TABtouch🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 22:00
Unibet🎯1.08I 92.59%NM 88.11%EV -4.05%E -3.75%K -50.63%G +0.000%8.00I 12.50%NM 11.89%EV -10.74%E -1.34%K -1.53%G +0.000%5.1%2026-08-27 22:15
LeoVegas🎯1.05I 95.24%NM 87.86%EV -6.72%E -6.40%K -134.32%G +0.000%7.60I 13.16%NM 12.14%EV -15.20%E -2.00%K -2.30%G +0.000%8.4%2026-08-27 23:50
MyBookie.ag🎯1.05I 95.24%NM 87.86%EV -6.72%E -6.40%K -134.32%G +0.000%7.60I 13.16%NM 12.14%EV -15.20%E -2.00%K -2.30%G +0.000%8.4%2026-08-28 00:01
888sport🎯1.08I 92.59%NM 87.41%EV -4.05%E -3.75%K -50.63%G +0.000%7.50I 13.33%NM 12.59%EV -16.31%E -2.18%K -2.51%G +0.000%5.9%2026-08-27 21:40
Mr Green (SE)🎯1.08I 92.59%NM 87.41%EV -4.05%E -3.75%K -50.63%G +0.000%7.50I 13.33%NM 12.59%EV -16.31%E -2.18%K -2.51%G +0.000%5.9%2026-08-28 00:01
PlayUp🎯1.09I 91.74%NM 86.53%EV -3.16%E -2.90%K -35.14%G +0.000%7.00I 14.29%NM 13.47%EV -21.89%E -3.13%K -3.65%G +0.000%6.0%2026-08-27 23:45
ReBet🎯1.05I 95.24%NM 86.79%EV -6.72%E -6.40%K -134.32%G +0.000%6.90I 14.49%NM 13.21%EV -23.01%E -3.33%K -3.90%G +0.000%9.7%2026-08-27 23:55
Unibet (FR)🎯1.04I 96.15%NM 84.57%EV -7.60%E -7.31%K -190.11%G +0.000%5.70I 17.54%NM 15.43%EV -36.40%E -6.39%K -7.74%G +0.000%13.7%2026-08-27 23:55
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◎1.04I 96.15%NM 85.64%6.20I 16.13%NM 14.36%12.3%2026-08-27 23:46