The School of Odds

Alexandra Eala v Qinwen Zheng

2026-07-28 14:00 UTC — WTA Washington Open

Head to Head

38 sportsbooks (11 in analysis )

Estimated chance of each outcome, according to the model: IQM

Alexandra Eala (Local)

Prediction 41.68%2.40fair odd
EV -2.05%
Edge -0.871%
Kelly -1.52%
Growth +0.000%

assuming max odds 2.35

Bookmakers’ predictions’ distribution
40.66%41.89%41.56%43.67%MINMEANMEDIANMAX
Odds’ distribution
2.172.282.302.3546.08%43.91%43.48%42.55%MINMEANMEDIANMAX

Qinwen Zheng (Visit)

Prediction 58.32%1.71fair odd
EV -1.44%
Edge -0.854%
Kelly -2.09%
Growth +0.000%

assuming max odds 1.69

Bookmakers’ predictions’ distribution
56.33%58.11%58.44%59.34%MINMEANMEDIANMAX
Odds’ distribution
1.571.621.611.6963.69%61.60%62.11%59.17%MINMEANMEDIANMAX

Sportsbook Odds (38 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
Hard Rock Bet2.35I 42.55%NM 40.66%EV -2.05%E -0.871%K -1.52%G +0.000%1.61I 62.11%NM 59.34%EV -6.11%E -3.79%K -10.01%G +0.000%4.7%2026-07-27 02:00
Pinnacle2.33I 42.92%NM 41.46%EV -2.88%E -1.24%K -2.17%G +0.000%1.65I 60.61%NM 58.54%EV -3.78%E -2.29%K -5.81%G +0.000%3.5%2026-07-27 06:45
BetOnline.ag2.33I 42.92%NM 41.46%EV -2.88%E -1.24%K -2.17%G +0.000%1.65I 60.61%NM 58.54%EV -3.78%E -2.29%K -5.81%G +0.000%3.5%2026-07-27 03:40
LowVig.ag2.33I 42.92%NM 41.46%EV -2.88%E -1.24%K -2.17%G +0.000%1.65I 60.61%NM 58.54%EV -3.78%E -2.29%K -5.81%G +0.000%3.5%2026-07-27 03:36
ATG (SE)2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 01:40
Bally Bet2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 01:45
Casumo2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:00
Grosvenor2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:00
betPARX2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:01
LeoVegas (SE)2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:05
TABtouch2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:05
Unibet2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:05
Unibet (SE)2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:35
Unibet (NL)2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:35
Svenska Spel2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 02:35
BetRivers2.33I 42.92%NM 40.86%EV -2.88%E -1.24%K -2.17%G +0.000%1.61I 62.11%NM 59.14%EV -6.11%E -3.79%K -10.01%G +0.000%5.0%2026-07-27 03:10
Bovada2.30I 43.48%NM 41.77%EV -4.13%E -1.80%K -3.18%G +0.000%1.65I 60.61%NM 58.23%EV -3.78%E -2.29%K -5.81%G +0.000%4.1%2026-07-27 03:40
FanDuel2.30I 43.48%NM 41.33%EV -4.13%E -1.80%K -3.18%G +0.000%1.62I 61.73%NM 58.67%EV -5.53%E -3.41%K -8.91%G +0.000%5.2%2026-07-27 01:55
Fanatics2.30I 43.48%NM 41.33%EV -4.13%E -1.80%K -3.18%G +0.000%1.62I 61.73%NM 58.67%EV -5.53%E -3.41%K -8.91%G +0.000%5.2%2026-07-27 03:40
Bet Right2.30I 43.48%NM 41.33%EV -4.13%E -1.80%K -3.18%G +0.000%1.62I 61.73%NM 58.67%EV -5.53%E -3.41%K -8.91%G +0.000%5.2%2026-07-27 07:01
PMU (FR)2.28I 43.86%NM 40.78%EV -4.96%E -2.18%K -3.88%G +0.000%1.57I 63.69%NM 59.22%EV -8.44%E -5.38%K -14.81%G +0.000%7.6%2026-07-27 03:25
SportsBet2.26I 44.25%NM 41.45%EV -5.80%E -2.57%K -4.60%G +0.000%1.60I 62.50%NM 58.55%EV -6.69%E -4.18%K -11.15%G +0.000%6.7%2026-07-27 02:35
BetAnything2.25I 44.44%NM 42.31%EV -6.21%E -2.76%K -4.97%G +0.000%1.65I 60.61%NM 57.69%EV -3.78%E -2.29%K -5.81%G +0.000%5.1%2026-07-27 03:40
BetUS2.25I 44.44%NM 42.31%EV -6.21%E -2.76%K -4.97%G +0.000%1.65I 60.61%NM 57.69%EV -3.78%E -2.29%K -5.81%G +0.000%5.1%2026-07-27 03:40
PointsBet (AU)2.25I 44.44%NM 41.86%EV -6.21%E -2.76%K -4.97%G +0.000%1.62I 61.73%NM 58.14%EV -5.53%E -3.41%K -8.91%G +0.000%6.2%2026-07-27 06:45
theScore Bet2.25I 44.44%NM 41.71%EV -6.21%E -2.76%K -4.97%G +0.000%1.61I 62.11%NM 58.29%EV -6.11%E -3.79%K -10.01%G +0.000%6.6%2026-07-27 03:50
Betr (AU)2.25I 44.44%NM 41.71%EV -6.21%E -2.76%K -4.97%G +0.000%1.61I 62.11%NM 58.29%EV -6.11%E -3.79%K -10.01%G +0.000%6.6%2026-07-27 06:45
Betway2.25I 44.44%NM 41.56%EV -6.21%E -2.76%K -4.97%G +0.000%1.60I 62.50%NM 58.44%EV -6.69%E -4.18%K -11.15%G +0.000%6.9%2026-07-27 03:35
Paddy Power2.25I 44.44%NM 41.10%EV -6.21%E -2.76%K -4.97%G +0.000%1.57I 63.69%NM 58.90%EV -8.44%E -5.38%K -14.81%G +0.000%8.1%2026-07-27 02:10
888sport2.20I 45.45%NM 43.15%EV -8.30%E -3.77%K -6.92%G +0.000%1.67I 59.88%NM 56.85%EV -2.61%E -1.56%K -3.90%G +0.000%5.3%2026-07-27 06:45
Mr Green (SE)2.20I 45.45%NM 43.15%EV -8.30%E -3.77%K -6.92%G +0.000%1.67I 59.88%NM 56.85%EV -2.61%E -1.56%K -3.90%G +0.000%5.3%2026-07-27 06:45
888sport (SE)2.20I 45.45%NM 43.15%EV -8.30%E -3.77%K -6.92%G +0.000%1.67I 59.88%NM 56.85%EV -2.61%E -1.56%K -3.90%G +0.000%5.3%2026-07-27 06:45
PlayUp2.20I 45.45%NM 42.86%EV -8.30%E -3.77%K -6.92%G +0.000%1.65I 60.61%NM 57.14%EV -3.78%E -2.29%K -5.81%G +0.000%6.1%2026-07-27 07:09
Neds2.20I 45.45%NM 42.71%EV -8.30%E -3.77%K -6.92%G +0.000%1.64I 60.98%NM 57.29%EV -4.36%E -2.66%K -6.81%G +0.000%6.4%2026-07-27 03:50
Ladbrokes (AU)2.20I 45.45%NM 42.71%EV -8.30%E -3.77%K -6.92%G +0.000%1.64I 60.98%NM 57.29%EV -4.36%E -2.66%K -6.81%G +0.000%6.4%2026-07-27 03:50
BoyleSports2.20I 45.45%NM 42.41%EV -8.30%E -3.77%K -6.92%G +0.000%1.62I 61.73%NM 57.59%EV -5.53%E -3.41%K -8.91%G +0.000%7.2%2026-07-27 03:40
DraftKings2.18I 45.87%NM 43.67%EV -9.13%E -4.19%K -7.74%G +0.000%1.69I 59.17%NM 56.33%EV -1.44%E -0.854%K -2.09%G +0.000%5.0%2026-07-27 04:06
ReBet2.17I 46.08%NM 41.98%EV -9.55%E -4.40%K -8.16%G +0.000%1.57I 63.69%NM 58.02%EV -8.44%E -5.38%K -14.81%G +0.000%9.8%2026-07-27 03:35
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 (5)

BookmakerLocalVisitMargin ▲Updated
Novig2.33I 42.92%NM 41.90%1.68I 59.52%NM 58.10%2.4%2026-07-27 05:40
Betfair Exchange (AU)2.40I 41.67%NM 40.15%1.61I 62.11%NM 59.85%3.8%2026-07-27 06:50
Betfair Exchange (UK)2.40I 41.67%NM 40.15%1.61I 62.11%NM 59.85%3.8%2026-07-27 07:00
Betfair Exchange (EU)2.40I 41.67%NM 40.15%1.61I 62.11%NM 59.85%3.8%2026-07-27 07:01
ProphetX2.30I 43.48%NM 40.41%1.56I 64.10%NM 59.59%7.6%2026-07-27 03:40