The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Nikola Bartunkova v Alina Charaeva

Kickoff: 2026-04-21 10:00 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 (8 in analysis )

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

Nikola Bartunkova (Local)

Prediction 70.71%1.41fair odd
EV +15.26%
Edge +9.36%
Kelly +24.22%
Growth +3.70%

assuming max odds 1.63

Bookmakers’ predictions’ distribution
58.97%68.31%70.96%75.25%MIN.MEANMEDIANMAX.
Odds’ distribution
1.251.431.351.6380.00%70.14%74.07%61.35%MIN.MEANMEDIANMAX.

Alina Charaeva (Visit)

Prediction 29.29%3.41fair odd
EV +11.29%
Edge +2.97%
Kelly +4.03%
Growth +0.456%

assuming max odds 3.80

Bookmakers’ predictions’ distribution
24.75%31.69%29.04%41.03%MIN.MEANMEDIANMAX.
Odds’ distribution
2.302.923.103.8043.48%34.28%32.26%26.32%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Nikola Bartunkova (Local): 70.71%; Alina Charaeva (Visit): 29.29%. For Nikola Bartunkova (Local), that estimate was equivalent to fair decimal odds of 1.41. 9 bookmakers offered closing odds above that level; the best were 1.63, corresponding to a positive expected value of +15.26%.

Sportsbook Odds (21 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
LowVig.ag🎯1.63I 61.35%NM 59.35%EV +15.26%E +9.36%K +24.22%G +3.70%2.38I 42.02%NM 40.65%EV -30.30%E -12.73%K -21.95%G +0.000%3.4%2026-04-21 09:05
BetOnline.ag🎯1.63I 61.35%NM 59.35%EV +15.26%E +9.36%K +24.22%G +3.70%2.38I 42.02%NM 40.65%EV -30.30%E -12.73%K -21.95%G +0.000%3.4%2026-04-21 09:05
Pinnacle🎯1.61I 62.11%NM 59.95%EV +13.85%E +8.60%K +22.70%G +3.14%2.41I 41.49%NM 40.05%EV -29.42%E -12.21%K -20.86%G +0.000%3.6%2026-04-21 09:00
GTbets🎯1.60I 62.50%NM 60.88%EV +13.14%E +8.21%K +21.90%G +2.88%2.49I 40.16%NM 39.12%EV -27.07%E -10.87%K -18.17%G +0.000%2.7%2026-04-21 08:59
PlayUp🎯1.60I 62.50%NM 58.97%EV +13.14%E +8.21%K +21.90%G +2.88%2.30I 43.48%NM 41.03%EV -32.64%E -14.19%K -25.11%G +0.000%6.0%2026-04-21 09:05
ReBet🎯1.57I 63.69%NM 60.65%EV +11.02%E +7.02%K +19.33%G +2.13%2.42I 41.32%NM 39.35%EV -29.12%E -12.03%K -20.51%G +0.000%5.0%2026-04-21 08:58
Everygame🎯1.55I 64.52%NM 59.74%EV +9.60%E +6.20%K +17.46%G +1.68%2.30I 43.48%NM 40.26%EV -32.64%E -14.19%K -25.11%G +0.000%8.0%2026-04-21 08:59
William Hill🎯1.53I 65.36%NM 60.87%EV +8.19%E +5.35%K +15.45%G +1.27%2.38I 42.02%NM 39.13%EV -30.30%E -12.73%K -21.95%G +0.000%7.4%2026-04-21 08:59
Bovada🎯1.44I 69.44%NM 66.43%EV +1.83%E +1.27%K +4.15%G +0.076%2.85I 35.09%NM 33.57%EV -16.53%E -5.80%K -8.94%G +0.000%4.5%2026-04-21 09:20
Betsson🎯1.35I 74.07%NM 69.66%EV -4.54%E -3.36%K -12.97%G +0.000%3.10I 32.26%NM 30.34%EV -9.21%E -2.97%K -4.38%G +0.000%6.3%2026-04-21 09:25
NordicBet🎯1.35I 74.07%NM 69.66%EV -4.54%E -3.36%K -12.97%G +0.000%3.10I 32.26%NM 30.34%EV -9.21%E -2.97%K -4.38%G +0.000%6.3%2026-04-21 09:25
Fliff🎯1.34I 74.63%NM 68.40%EV -5.25%E -3.91%K -15.43%G +0.000%2.90I 34.48%NM 31.60%EV -15.07%E -5.20%K -7.93%G +0.000%9.1%2026-04-21 09:25
888sport🎯1.33I 75.19%NM 70.96%EV -5.95%E -4.48%K -18.04%G +0.000%3.25I 30.77%NM 29.04%EV -4.81%E -1.48%K -2.14%G +0.000%6.0%2026-04-21 09:25
888sport (SE)🎯1.33I 75.19%NM 70.96%EV -5.95%E -4.48%K -18.04%G +0.000%3.25I 30.77%NM 29.04%EV -4.81%E -1.48%K -2.14%G +0.000%6.0%2026-04-21 09:25
Mr Green (SE)🎯1.33I 75.19%NM 70.96%EV -5.95%E -4.48%K -18.04%G +0.000%3.25I 30.77%NM 29.04%EV -4.81%E -1.48%K -2.14%G +0.000%6.0%2026-04-21 09:25
theScore Bet🎯1.31I 76.34%NM 71.27%EV -7.37%E -5.62%K -23.76%G +0.000%3.25I 30.77%NM 28.73%EV -4.81%E -1.48%K -2.14%G +0.000%7.1%2026-04-21 09:25
FanDuel🎯1.31I 76.34%NM 70.95%EV -7.37%E -5.62%K -23.76%G +0.000%3.20I 31.25%NM 29.05%EV -6.28%E -1.96%K -2.85%G +0.000%7.6%2026-04-21 09:24
Betway🎯1.30I 76.92%NM 72.92%EV -8.07%E -6.21%K -26.91%G +0.000%3.50I 28.57%NM 27.08%EV +2.51%E +0.716%K +1.00%G +0.025%5.5%2026-04-21 09:25
BoyleSports🎯1.30I 76.92%NM 71.43%EV -8.07%E -6.21%K -26.91%G +0.000%3.25I 30.77%NM 28.57%EV -4.81%E -1.48%K -2.14%G +0.000%7.7%2026-04-21 09:24
Ladbrokes (UK)🎯1.28I 78.13%NM 73.22%EV -9.49%E -7.41%K -33.89%G +0.000%3.50I 28.57%NM 26.78%EV +2.51%E +0.716%K +1.00%G +0.025%6.7%2026-04-21 09:25
Coral🎯1.25I 80.00%NM 75.25%EV -11.61%E -9.29%K -46.44%G +0.000%3.80I 26.32%NM 24.75%EV +11.29%E +2.97%K +4.03%G +0.456%6.3%2026-04-21 09:25
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)◎1.36I 73.53%NM 73.12%3.70I 27.03%NM 26.88%0.6%2026-04-21 09:25
Smarkets◎1.35I 74.07%NM 73.53%3.75I 26.67%NM 26.47%0.7%2026-04-21 09:25
Betfair Exchange (UK)◎1.39I 71.94%NM 70.68%3.35I 29.85%NM 29.32%1.8%2026-04-21 09:25
Betfair Exchange (EU)◎1.34I 74.63%NM 69.12%3.00I 33.33%NM 30.88%8.0%2026-04-21 09:25
Novig◎1.30I 76.92%NM 70.18%3.06I 32.68%NM 29.82%9.6%2026-04-21 09:23