The School of Tennis Oddsodds.tennis
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Yuliia Starodubtseva v Ella Seidel

2026-08-30 15:00 UTC — WTA US Open

Head to Head

27 sportsbooks (7 in analysis )

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

Yuliia Starodubtseva (Local)

Prediction 63.57%1.57fair odd
EV -4.64%
Edge -3.09%
Kelly -9.28%
Growth +0.000%

assuming max odds 1.50

Bookmakers’ predictions’ distribution
63.17%63.62%63.41%65.53%MIN.MEANMEDIANMAX.
Odds’ distribution
1.421.491.501.5070.42%67.30%66.67%66.67%MIN.MEANMEDIANMAX.

Ella Seidel (Visit)

Prediction 36.43%2.75fair odd
EV -1.65%
Edge -0.611%
Kelly -0.971%
Growth +0.000%

assuming max odds 2.70

Bookmakers’ predictions’ distribution
34.47%36.38%36.59%36.83%MIN.MEANMEDIANMAX.
Odds’ distribution
2.472.602.602.7040.49%38.53%38.46%37.04%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Yuliia Starodubtseva (Local): 63.57%; Ella Seidel (Visit): 36.43%. For Ella Seidel (Visit), that estimate is equivalent to fair decimal odds of 2.75. No eligible bookmaker offers odds above that level: the best available odds are 2.70, with an expected value of -1.65%; they do not produce positive expected value.

Sportsbook Odds (27 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
PMU (FR)🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 20:35
Betway🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 20:35
BetRivers🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 20:36
ATG (SE)🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 20:35
Svenska Spel🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 20:35
888sport🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:40
Grosvenor🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:40
Casumo🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:40
Virgin Bet🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:40
betPARX🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:40
LiveScore Bet🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:45
Bally Bet🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:45
Unibet (NL)🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:50
Hard Rock Bet🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 21:55
TABtouch🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 22:00
Unibet🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-27 22:15
Mr Green (SE)🎯1.50I 66.67%NM 63.41%EV -4.64%E -3.09%K -9.28%G +0.000%2.60I 38.46%NM 36.59%EV -5.29%E -2.04%K -3.31%G +0.000%5.1%2026-08-28 00:01
GTbets🎯1.49I 67.11%NM 63.92%EV -5.27%E -3.54%K -10.76%G +0.000%2.64I 37.88%NM 36.08%EV -3.84%E -1.45%K -2.34%G +0.000%5.0%2026-08-27 20:35
DraftKings🎯1.48I 67.57%NM 63.90%EV -5.91%E -3.99%K -12.31%G +0.000%2.62I 38.17%NM 36.10%EV -4.56%E -1.74%K -2.82%G +0.000%5.7%2026-08-27 21:40
Betr (AU)🎯1.48I 67.57%NM 63.73%EV -5.91%E -3.99%K -12.31%G +0.000%2.60I 38.46%NM 36.27%EV -5.29%E -2.04%K -3.31%G +0.000%6.0%2026-08-27 23:45
PointsBet (AU)🎯1.48I 67.57%NM 63.73%EV -5.91%E -3.99%K -12.31%G +0.000%2.60I 38.46%NM 36.27%EV -5.29%E -2.04%K -3.31%G +0.000%6.0%2026-08-27 21:55
Fanatics🎯1.48I 67.57%NM 63.28%EV -5.91%E -3.99%K -12.31%G +0.000%2.55I 39.22%NM 36.72%EV -7.11%E -2.79%K -4.59%G +0.000%6.8%2026-08-27 23:50
theScore Bet🎯1.45I 68.97%NM 64.20%EV -7.82%E -5.39%K -17.37%G +0.000%2.60I 38.46%NM 35.80%EV -5.29%E -2.04%K -3.31%G +0.000%7.4%2026-08-27 20:35
LeoVegas🎯1.45I 68.97%NM 63.75%EV -7.82%E -5.39%K -17.37%G +0.000%2.55I 39.22%NM 36.25%EV -7.11%E -2.79%K -4.59%G +0.000%8.2%2026-08-27 21:40
MyBookie.ag🎯1.45I 68.97%NM 63.66%EV -7.82%E -5.39%K -17.37%G +0.000%2.54I 39.37%NM 36.34%EV -7.48%E -2.94%K -4.86%G +0.000%8.3%2026-08-28 00:01
ReBet🎯1.44I 69.44%NM 63.17%EV -8.45%E -5.87%K -19.21%G +0.000%2.47I 40.49%NM 36.83%EV -10.03%E -4.06%K -6.82%G +0.000%9.9%2026-08-27 23:50
SportsBet🎯1.42I 70.42%NM 65.53%EV -9.72%E -6.85%K -23.15%G +0.000%2.70I 37.04%NM 34.47%EV -1.65%E -0.611%K -0.971%G +0.000%7.5%2026-08-27 23:50
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◎1.41I 70.92%NM 62.99%2.40I 41.67%NM 37.01%12.6%2026-08-27 23:50