Default modelInterquartile mean (Vetted List)

Naomi Osaka v Alexandra Eala

2026-08-01 19:10 UTC — WTA Washington Open

Head to Head

57 sportsbooks (17 in analysis )

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

Naomi Osaka (Local)

Prediction 63.04%1.59fair odd
EV -1.66%
Edge -1.07%
Kelly -2.97%
Growth +0.000%

assuming max odds 1.56

Bookmakers’ predictions’ distribution
60.26%63.03%62.96%64.63%MIN.MEANMEDIANMAX.
Odds’ distribution
1.451.511.501.5668.97%66.30%66.67%64.10%MIN.MEANMEDIANMAX.

Alexandra Eala (Visit)

Prediction 36.96%2.71fair odd
EV -0.197%
Edge -0.073%
Kelly -0.116%
Growth +0.000%

assuming max odds 2.70

Bookmakers’ predictions’ distribution
35.37%36.97%37.04%39.74%MIN.MEANMEDIANMAX.
Odds’ distribution
2.352.532.552.7042.55%39.45%39.22%37.04%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Naomi Osaka (Local): 63.04%; Alexandra Eala (Visit): 36.96%. For Alexandra Eala (Visit), that estimate is equivalent to fair decimal odds of 2.71. No eligible bookmaker offers odds above that level: the best available odds are 2.70, with an expected value of -0.197%; they do not produce positive expected value.

Sportsbook Odds (57 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
LowVig.ag1.56I 64.10%NM 62.14%EV -1.66%E -1.07%K -2.97%G +0.000%2.56I 39.06%NM 37.86%EV -5.37%E -2.10%K -3.44%G +0.000%3.2%2026-08-01 07:09
BetOnline.ag1.56I 64.10%NM 62.14%EV -1.66%E -1.07%K -2.97%G +0.000%2.56I 39.06%NM 37.86%EV -5.37%E -2.10%K -3.44%G +0.000%3.2%2026-08-01 07:09
Neds1.55I 64.52%NM 60.26%EV -2.29%E -1.48%K -4.17%G +0.000%2.35I 42.55%NM 39.74%EV -13.13%E -5.59%K -9.73%G +0.000%7.1%2026-08-01 07:04
Ladbrokes (AU)1.55I 64.52%NM 60.26%EV -2.29%E -1.48%K -4.17%G +0.000%2.35I 42.55%NM 39.74%EV -13.13%E -5.59%K -9.73%G +0.000%7.1%2026-08-01 07:04
Pinnacle1.54I 64.94%NM 63.07%EV -2.92%E -1.90%K -5.42%G +0.000%2.63I 38.02%NM 36.93%EV -2.78%E -1.06%K -1.71%G +0.000%3.0%2026-08-01 07:06
BetAnything1.54I 64.94%NM 62.35%EV -2.92%E -1.90%K -5.42%G +0.000%2.55I 39.22%NM 37.65%EV -5.74%E -2.25%K -3.70%G +0.000%4.2%2026-08-01 07:09
1xBet1.54I 64.94%NM 61.69%EV -2.92%E -1.90%K -5.42%G +0.000%2.48I 40.32%NM 38.31%EV -8.33%E -3.36%K -5.63%G +0.000%5.3%2026-08-01 07:14
theScore Bet1.54I 64.94%NM 61.40%EV -2.92%E -1.90%K -5.42%G +0.000%2.45I 40.82%NM 38.60%EV -9.44%E -3.85%K -6.51%G +0.000%5.8%2026-08-01 06:19
Betclic (FR)1.53I 65.36%NM 62.95%EV -3.55%E -2.32%K -6.71%G +0.000%2.60I 38.46%NM 37.05%EV -3.89%E -1.50%K -2.43%G +0.000%3.8%2026-08-01 07:09
Dabble (AU)1.53I 65.36%NM 62.03%EV -3.55%E -2.32%K -6.71%G +0.000%2.50I 40.00%NM 37.97%EV -7.59%E -3.04%K -5.06%G +0.000%5.4%2026-08-01 07:09
Betfair Sportsbook (UK)1.53I 65.36%NM 62.03%EV -3.55%E -2.32%K -6.71%G +0.000%2.50I 40.00%NM 37.97%EV -7.59%E -3.04%K -5.06%G +0.000%5.4%2026-08-01 07:09
Ladbrokes (UK)1.53I 65.36%NM 61.07%EV -3.55%E -2.32%K -6.71%G +0.000%2.40I 41.67%NM 38.93%EV -11.29%E -4.70%K -8.06%G +0.000%7.0%2026-08-01 07:05
Coral1.53I 65.36%NM 61.07%EV -3.55%E -2.32%K -6.71%G +0.000%2.40I 41.67%NM 38.93%EV -11.29%E -4.70%K -8.06%G +0.000%7.0%2026-08-01 07:04
Winamax (DE)1.52I 65.79%NM 63.11%EV -4.19%E -2.75%K -8.05%G +0.000%2.60I 38.46%NM 36.89%EV -3.89%E -1.50%K -2.43%G +0.000%4.3%2026-08-01 07:09
FanDuel1.52I 65.79%NM 62.93%EV -4.19%E -2.75%K -8.05%G +0.000%2.58I 38.76%NM 37.07%EV -4.63%E -1.80%K -2.93%G +0.000%4.5%2026-08-01 07:09
PlayUp1.52I 65.79%NM 62.19%EV -4.19%E -2.75%K -8.05%G +0.000%2.50I 40.00%NM 37.81%EV -7.59%E -3.04%K -5.06%G +0.000%5.8%2026-08-01 07:10
TAB1.52I 65.79%NM 61.22%EV -4.19%E -2.75%K -8.05%G +0.000%2.40I 41.67%NM 38.78%EV -11.29%E -4.70%K -8.06%G +0.000%7.5%2026-08-01 07:09
BetUS1.51I 66.23%NM 63.70%EV -4.82%E -3.19%K -9.44%G +0.000%2.65I 37.74%NM 36.30%EV -2.05%E -0.772%K -1.24%G +0.000%4.0%2026-08-01 06:19
Bovada1.51I 66.23%NM 63.26%EV -4.82%E -3.19%K -9.44%G +0.000%2.60I 38.46%NM 36.74%EV -3.89%E -1.50%K -2.43%G +0.000%4.7%2026-08-01 06:19
Bet Right1.51I 66.23%NM 63.08%EV -4.82%E -3.19%K -9.44%G +0.000%2.58I 38.76%NM 36.92%EV -4.63%E -1.80%K -2.93%G +0.000%5.0%2026-08-01 07:09
NordicBet1.51I 66.23%NM 62.34%EV -4.82%E -3.19%K -9.44%G +0.000%2.50I 40.00%NM 37.66%EV -7.59%E -3.04%K -5.06%G +0.000%6.2%2026-08-01 07:09
Unibet (FR)1.51I 66.23%NM 62.34%EV -4.82%E -3.19%K -9.44%G +0.000%2.50I 40.00%NM 37.66%EV -7.59%E -3.04%K -5.06%G +0.000%6.2%2026-08-01 07:09
Betsson1.51I 66.23%NM 62.34%EV -4.82%E -3.19%K -9.44%G +0.000%2.50I 40.00%NM 37.66%EV -7.59%E -3.04%K -5.06%G +0.000%6.2%2026-08-01 07:08
BoyleSports1.50I 66.67%NM 64.29%EV -5.45%E -3.63%K -10.89%G +0.000%2.70I 37.04%NM 35.71%EV -0.197%E -0.073%K -0.116%G +0.000%3.7%2026-08-01 06:39
betfred_uk1.50I 66.67%NM 63.59%EV -5.45%E -3.63%K -10.89%G +0.000%2.62I 38.17%NM 36.41%EV -3.15%E -1.20%K -1.95%G +0.000%4.8%2026-08-01 06:19
DraftKings1.50I 66.67%NM 63.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.61I 38.31%NM 36.50%EV -3.52%E -1.35%K -2.19%G +0.000%5.0%2026-08-01 06:19
Fanatics1.50I 66.67%NM 63.41%EV -5.45%E -3.63%K -10.89%G +0.000%2.60I 38.46%NM 36.59%EV -3.89%E -1.50%K -2.43%G +0.000%5.1%2026-08-01 07:58
888sport1.50I 66.67%NM 63.41%EV -5.45%E -3.63%K -10.89%G +0.000%2.60I 38.46%NM 36.59%EV -3.89%E -1.50%K -2.43%G +0.000%5.1%2026-08-01 06:19
William Hill1.50I 66.67%NM 63.41%EV -5.45%E -3.63%K -10.89%G +0.000%2.60I 38.46%NM 36.59%EV -3.89%E -1.50%K -2.43%G +0.000%5.1%2026-08-01 06:19
Betr (AU)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 07:09
PointsBet (AU)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 07:04
Winamax (FR)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 07:09
BetRivers1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
TABtouch1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
Casumo1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
Unibet1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
Unibet (SE)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
betPARX1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:19
Grosvenor1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
LeoVegas (SE)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
Unibet (NL)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
Bally Bet1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
ATG (SE)1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
Svenska Spel1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
Hard Rock Bet1.50I 66.67%NM 62.96%EV -5.45%E -3.63%K -10.89%G +0.000%2.55I 39.22%NM 37.04%EV -5.74%E -2.25%K -3.70%G +0.000%5.9%2026-08-01 06:24
Unibet (UK)1.50I 66.67%NM 62.78%EV -5.45%E -3.63%K -10.89%G +0.000%2.53I 39.53%NM 37.22%EV -6.48%E -2.56%K -4.24%G +0.000%6.2%2026-08-01 07:10
Paddy Power1.50I 66.67%NM 62.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.50I 40.00%NM 37.50%EV -7.59%E -3.04%K -5.06%G +0.000%6.7%2026-08-01 07:08
Betway1.50I 66.67%NM 62.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.50I 40.00%NM 37.50%EV -7.59%E -3.04%K -5.06%G +0.000%6.7%2026-08-01 06:54
Sky Bet1.50I 66.67%NM 62.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.50I 40.00%NM 37.50%EV -7.59%E -3.04%K -5.06%G +0.000%6.7%2026-08-01 07:10
LiveScore Bet1.50I 66.67%NM 62.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.50I 40.00%NM 37.50%EV -7.59%E -3.04%K -5.06%G +0.000%6.7%2026-08-01 06:19
Virgin Bet1.50I 66.67%NM 62.50%EV -5.45%E -3.63%K -10.89%G +0.000%2.50I 40.00%NM 37.50%EV -7.59%E -3.04%K -5.06%G +0.000%6.7%2026-08-01 06:24
ReBet1.50I 66.67%NM 62.41%EV -5.45%E -3.63%K -10.89%G +0.000%2.49I 40.16%NM 37.59%EV -7.96%E -3.20%K -5.34%G +0.000%6.8%2026-08-01 07:15
PMU (FR)1.48I 67.57%NM 62.63%EV -6.71%E -4.53%K -13.97%G +0.000%2.48I 40.32%NM 37.37%EV -8.33%E -3.36%K -5.63%G +0.000%7.9%2026-08-01 06:19
SportsBet1.47I 68.03%NM 63.43%EV -7.34%E -4.99%K -15.61%G +0.000%2.55I 39.22%NM 36.57%EV -5.74%E -2.25%K -3.70%G +0.000%7.2%2026-08-01 07:10
Caesars1.45I 68.97%NM 64.63%EV -8.60%E -5.93%K -19.11%G +0.000%2.65I 37.74%NM 35.37%EV -2.05%E -0.772%K -1.24%G +0.000%6.7%2026-08-01 05:43
Bet Victor1.45I 68.97%NM 63.29%EV -8.60%E -5.93%K -19.11%G +0.000%2.50I 40.00%NM 36.71%EV -7.59%E -3.04%K -5.06%G +0.000%9.0%2026-08-01 07:58
betano_uk1.45I 68.97%NM 63.29%EV -8.60%E -5.93%K -19.11%G +0.000%2.50I 40.00%NM 36.71%EV -7.59%E -3.04%K -5.06%G +0.000%9.0%2026-08-01 07:55
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 (7)

BookmakerLocalVisitMargin ▲Updated
Betfair Exchange (UK)1.60I 62.50%NM 61.90%2.60I 38.46%NM 38.10%1.0%2026-08-01 07:50
Betfair Exchange (AU)1.60I 62.50%NM 61.90%2.60I 38.46%NM 38.10%1.0%2026-08-01 07:50
Matchbook1.60I 62.50%NM 61.90%2.60I 38.46%NM 38.10%1.0%2026-08-01 07:50
Betfair Exchange (EU)1.60I 62.50%NM 61.90%2.60I 38.46%NM 38.10%1.0%2026-08-01 07:50
ProphetX1.59I 62.89%NM 62.23%2.62I 38.17%NM 37.77%1.1%2026-08-01 07:55
Novig1.57I 63.69%NM 62.35%2.60I 38.46%NM 37.65%2.2%2026-08-01 07:55
Smarkets1.57I 63.69%NM 60.05%2.36I 42.37%NM 39.95%6.1%2026-08-01 08:00