The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Julia Grabher v Mariam Bolkvadze

Kickoff: 2026-06-23 16:00 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

13 sportsbooks (6 in analysis )

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

Julia Grabher (Local)

Prediction 55.06%1.82fair odd
EV -2.55%
Edge -1.44%
Kelly -3.31%
Growth +0.000%

assuming max odds 1.77

Bookmakers’ predictions’ distribution
53.62%54.87%55.14%56.02%MIN.MEANMEDIANMAX.
Odds’ distribution
1.611.701.691.7762.11%58.72%59.17%56.50%MIN.MEANMEDIANMAX.

Mariam Bolkvadze (Visit)

Prediction 44.94%2.22fair odd
EV -3.37%
Edge -1.57%
Kelly -2.93%
Growth +0.000%

assuming max odds 2.15

Bookmakers’ predictions’ distribution
43.98%45.13%44.86%46.38%MIN.MEANMEDIANMAX.
Odds’ distribution
2.002.092.102.1550.00%47.94%47.62%46.51%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Julia Grabher (Local): 55.06%; Mariam Bolkvadze (Visit): 44.94%. For Julia Grabher (Local), that estimate was equivalent to fair decimal odds of 1.82. No eligible bookmaker offered closing odds above that level: the best were 1.77, with an expected value of -2.55%; they did not produce positive expected value.

Sportsbook Odds (13 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
PlayUp🎯1.77I 56.50%NM 53.66%EV -2.55%E -1.44%K -3.31%G +0.000%2.05I 48.78%NM 46.34%EV -7.86%E -3.84%K -7.49%G +0.000%5.3%2026-06-23 15:20
GTbets🎯1.76I 56.82%NM 54.05%EV -3.10%E -1.76%K -4.08%G +0.000%2.07I 48.31%NM 45.95%EV -6.96%E -3.36%K -6.51%G +0.000%5.1%2026-06-23 03:29
Pinnacle🎯1.75I 57.14%NM 55.13%EV -3.65%E -2.09%K -4.87%G +0.000%2.15I 46.51%NM 44.87%EV -3.37%E -1.57%K -2.93%G +0.000%3.7%2026-06-23 15:20
Betway🎯1.75I 57.14%NM 54.55%EV -3.65%E -2.09%K -4.87%G +0.000%2.10I 47.62%NM 45.45%EV -5.62%E -2.67%K -5.11%G +0.000%4.8%2026-06-23 03:29
BoyleSports🎯1.73I 57.80%NM 53.62%EV -4.75%E -2.75%K -6.51%G +0.000%2.00I 50.00%NM 46.38%EV -10.11%E -5.06%K -10.11%G +0.000%7.8%2026-06-23 03:29
Marathon Bet🎯1.70I 58.82%NM 55.15%EV -6.41%E -3.77%K -9.15%G +0.000%2.09I 47.85%NM 44.85%EV -6.07%E -2.90%K -5.56%G +0.000%6.7%2026-06-23 15:20
ReBet🎯1.69I 59.17%NM 55.76%EV -6.96%E -4.12%K -10.08%G +0.000%2.13I 46.95%NM 44.24%EV -4.27%E -2.00%K -3.78%G +0.000%6.1%2026-06-23 12:29
theScore Bet🎯1.69I 59.17%NM 55.41%EV -6.96%E -4.12%K -10.08%G +0.000%2.10I 47.62%NM 44.59%EV -5.62%E -2.67%K -5.11%G +0.000%6.8%2026-06-23 03:30
NordicBet🎯1.68I 59.52%NM 56.02%EV -7.51%E -4.47%K -11.04%G +0.000%2.14I 46.73%NM 43.98%EV -3.82%E -1.78%K -3.35%G +0.000%6.3%2026-06-23 15:20
Paddy Power🎯1.67I 59.88%NM 55.70%EV -8.06%E -4.83%K -12.03%G +0.000%2.10I 47.62%NM 44.30%EV -5.62%E -2.67%K -5.11%G +0.000%7.5%2026-06-23 03:28
Unibet (FR)🎯1.67I 59.88%NM 55.70%EV -8.06%E -4.83%K -12.03%G +0.000%2.10I 47.62%NM 44.30%EV -5.62%E -2.67%K -5.11%G +0.000%7.5%2026-06-23 10:20
MyBookie.ag🎯1.67I 59.88%NM 55.59%EV -8.06%E -4.83%K -12.03%G +0.000%2.09I 47.85%NM 44.41%EV -6.07%E -2.90%K -5.56%G +0.000%7.7%2026-06-23 03:28
NetBet (FR)🎯1.61I 62.11%NM 55.40%EV -11.36%E -7.06%K -18.63%G +0.000%2.00I 50.00%NM 44.60%EV -10.11%E -5.06%K -10.11%G +0.000%12.1%2026-06-23 03:29
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 (4)

BookmakerLocalVisitMargin ▲Updated
Betfair Exchange (AU)◎1.86I 53.76%NM 53.73%2.16I 46.30%NM 46.27%0.1%2026-06-23 15:20
Betfair Exchange (UK)◎1.85I 54.05%NM 53.87%2.16I 46.30%NM 46.13%0.4%2026-06-23 15:20
Betfair Exchange (EU)◎1.86I 53.76%NM 53.50%2.14I 46.73%NM 46.50%0.5%2026-06-23 15:20
Smarkets◎1.80I 55.56%NM 54.08%2.12I 47.17%NM 45.92%2.7%2026-06-23 15:20