The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Anastasia Potapova v Sinja Kraus

Kickoff: 2026-04-21 16:21 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

21 sportsbooks (7 in analysis )

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

Anastasia Potapova (Local)

Prediction 74.77%1.34fair odd
EV +1.69%
Edge +1.24%
Kelly +4.68%
Growth +0.079%

assuming max odds 1.36

Bookmakers’ predictions’ distribution
69.51%74.68%75.00%77.70%MIN.MEANMEDIANMAX.
Odds’ distribution
1.221.271.251.3681.97%78.80%80.00%73.53%MIN.MEANMEDIANMAX.

Sinja Kraus (Visit)

Prediction 25.23%3.96fair odd
EV +7.23%
Edge +1.70%
Kelly +2.22%
Growth +0.161%

assuming max odds 4.25

Bookmakers’ predictions’ distribution
22.30%25.32%25.00%30.49%MIN.MEANMEDIANMAX.
Odds’ distribution
3.103.673.754.2532.26%27.28%26.67%23.53%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Anastasia Potapova (Local): 74.77%; Sinja Kraus (Visit): 25.23%. For Sinja Kraus (Visit), that estimate was equivalent to fair decimal odds of 3.96. 5 bookmakers offered closing odds above that level; the best were 4.25, corresponding to a positive expected value of +7.23%.

Sportsbook Odds (21 sportsbooks)

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BookmakerLocalVisit ▼MarginUpdated
Betway🎯1.22I 81.97%NM 77.70%EV -8.78%E -7.20%K -39.92%G +0.000%4.25I 23.53%NM 22.30%EV +7.23%E +1.70%K +2.22%G +0.161%5.5%2026-04-21 16:20
Bovada🎯1.25I 80.00%NM 76.19%EV -6.54%E -5.23%K -26.15%G +0.000%4.00I 25.00%NM 23.81%EV +0.923%E +0.231%K +0.308%G +0.003%5.0%2026-04-21 16:20
BoyleSports🎯1.22I 81.97%NM 76.63%EV -8.78%E -7.20%K -39.92%G +0.000%4.00I 25.00%NM 23.37%EV +0.923%E +0.231%K +0.308%G +0.003%7.0%2026-04-21 16:19
Ladbrokes (UK)🎯1.22I 81.97%NM 76.63%EV -8.78%E -7.20%K -39.92%G +0.000%4.00I 25.00%NM 23.37%EV +0.923%E +0.231%K +0.308%G +0.003%7.0%2026-04-21 16:20
Coral🎯1.22I 81.97%NM 76.63%EV -8.78%E -7.20%K -39.92%G +0.000%4.00I 25.00%NM 23.37%EV +0.923%E +0.231%K +0.308%G +0.003%7.0%2026-04-21 16:20
NordicBet🎯1.22I 81.97%NM 76.40%EV -8.78%E -7.20%K -39.92%G +0.000%3.95I 25.32%NM 23.60%EV -0.339%E -0.086%K -0.115%G +0.000%7.3%2026-04-21 16:20
888sport🎯1.25I 80.00%NM 75.00%EV -6.54%E -5.23%K -26.15%G +0.000%3.75I 26.67%NM 25.00%EV -5.39%E -1.44%K -1.96%G +0.000%6.7%2026-04-21 16:20
theScore Bet🎯1.25I 80.00%NM 75.00%EV -6.54%E -5.23%K -26.15%G +0.000%3.75I 26.67%NM 25.00%EV -5.39%E -1.44%K -1.96%G +0.000%6.7%2026-04-21 16:20
Mr Green (SE)🎯1.25I 80.00%NM 75.00%EV -6.54%E -5.23%K -26.15%G +0.000%3.75I 26.67%NM 25.00%EV -5.39%E -1.44%K -1.96%G +0.000%6.7%2026-04-21 16:20
888sport (SE)🎯1.25I 80.00%NM 75.00%EV -6.54%E -5.23%K -26.15%G +0.000%3.75I 26.67%NM 25.00%EV -5.39%E -1.44%K -1.96%G +0.000%6.7%2026-04-21 16:20
Fliff🎯1.22I 81.97%NM 75.45%EV -8.78%E -7.20%K -39.92%G +0.000%3.75I 26.67%NM 24.55%EV -5.39%E -1.44%K -1.96%G +0.000%8.6%2026-04-21 16:20
ReBet🎯1.28I 78.13%NM 74.30%EV -4.30%E -3.36%K -15.34%G +0.000%3.70I 27.03%NM 25.70%EV -6.65%E -1.80%K -2.46%G +0.000%5.2%2026-04-21 16:04
Pinnacle🎯1.30I 76.92%NM 73.84%EV -2.80%E -2.15%K -9.33%G +0.000%3.67I 27.25%NM 26.16%EV -7.40%E -2.02%K -2.77%G +0.000%4.2%2026-04-21 16:20
William Hill🎯1.29I 77.52%NM 73.07%EV -3.55%E -2.75%K -12.23%G +0.000%3.50I 28.57%NM 26.93%EV -11.69%E -3.34%K -4.68%G +0.000%6.1%2026-04-21 16:04
FanDuel🎯1.27I 78.74%NM 73.38%EV -5.04%E -3.97%K -18.68%G +0.000%3.50I 28.57%NM 26.62%EV -11.69%E -3.34%K -4.68%G +0.000%7.3%2026-04-21 16:19
GTbets🎯1.32I 75.76%NM 72.09%EV -1.30%E -0.988%K -4.08%G +0.000%3.41I 29.33%NM 27.91%EV -13.96%E -4.09%K -5.79%G +0.000%5.1%2026-04-21 16:05
LowVig.ag🎯1.34I 74.63%NM 71.24%EV +0.191%E +0.142%K +0.561%G +0.001%3.32I 30.12%NM 28.76%EV -16.23%E -4.89%K -7.00%G +0.000%4.7%2026-04-21 16:18
BetOnline.ag🎯1.34I 74.63%NM 71.24%EV +0.191%E +0.142%K +0.561%G +0.001%3.32I 30.12%NM 28.76%EV -16.23%E -4.89%K -7.00%G +0.000%4.7%2026-04-21 16:18
Everygame🎯1.28I 78.13%NM 72.05%EV -4.30%E -3.36%K -15.34%G +0.000%3.30I 30.30%NM 27.95%EV -16.74%E -5.07%K -7.28%G +0.000%8.4%2026-04-21 16:04
TAB🎯1.30I 76.92%NM 71.11%EV -2.80%E -2.15%K -9.33%G +0.000%3.20I 31.25%NM 28.89%EV -19.26%E -6.02%K -8.76%G +0.000%8.2%2026-04-21 16:19
PlayUp🎯1.36I 73.53%NM 69.51%EV +1.69%E +1.24%K +4.68%G +0.079%3.10I 32.26%NM 30.49%EV -21.78%E -7.03%K -10.37%G +0.000%5.8%2026-04-21 16:15
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
Betfair Exchange (AU)◎1.32I 75.76%NM 75.19%4.00I 25.00%NM 24.81%0.8%2026-04-21 16:20
Betfair Exchange (EU)◎1.35I 74.07%NM 73.27%3.70I 27.03%NM 26.73%1.1%2026-04-21 16:20
Betfair Exchange (UK)◎1.26I 79.37%NM 78.50%4.60I 21.74%NM 21.50%1.1%2026-04-21 16:20
Smarkets◎1.27I 78.74%NM 77.20%4.30I 23.26%NM 22.80%2.0%2026-04-21 16:20
Novig◎1.28I 78.13%NM 75.67%3.98I 25.13%NM 24.33%3.3%2026-04-21 16:20