The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Guiomar Maristany v Kaitlin Quevedo

Kickoff: 2026-05-22 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

10 sportsbooks (4 in analysis )

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

Guiomar Maristany (Local)

Prediction 45.42%2.20fair odd
EV -1.89%
Edge -0.877%
Kelly -1.63%
Growth +0.000%

assuming max odds 2.16

Bookmakers’ predictions’ distribution
43.40%46.81%45.42%51.07%MIN.MEANMEDIANMAX.
Odds’ distribution
1.832.052.082.1654.64%48.80%48.19%46.30%MIN.MEANMEDIANMAX.

Kaitlin Quevedo (Visit)

Prediction 54.58%1.83fair odd
EV +4.25%
Edge +2.22%
Kelly +4.67%
Growth +0.198%

assuming max odds 1.91

Bookmakers’ predictions’ distribution
48.93%53.19%54.58%56.60%MIN.MEANMEDIANMAX.
Odds’ distribution
1.611.731.731.9162.11%57.77%57.80%52.36%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Guiomar Maristany (Local): 45.42%; Kaitlin Quevedo (Visit): 54.58%. For Kaitlin Quevedo (Visit), that estimate was equivalent to fair decimal odds of 1.83. 1 bookmaker offered closing odds above that level; the best were 1.91, corresponding to a positive expected value of +4.25%.

Sportsbook Odds (10 sportsbooks)

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BookmakerLocalVisit ▼MarginUpdated
FanDuel🎯1.83I 54.64%NM 51.07%EV -16.88%E -9.23%K -20.34%G +0.000%1.91I 52.36%NM 48.93%EV +4.25%E +2.22%K +4.67%G +0.198%7.0%2026-05-22 09:10
NordicBet🎯1.93I 51.81%NM 47.98%EV -12.34%E -6.39%K -13.27%G +0.000%1.78I 56.18%NM 52.02%EV -2.85%E -1.60%K -3.65%G +0.000%8.0%2026-05-22 09:10
Bovada🎯2.10I 47.62%NM 45.74%EV -4.62%E -2.20%K -4.20%G +0.000%1.77I 56.50%NM 54.26%EV -3.39%E -1.92%K -4.41%G +0.000%4.1%2026-05-22 08:59
Pinnacle🎯2.12I 47.17%NM 45.36%EV -3.71%E -1.75%K -3.31%G +0.000%1.76I 56.82%NM 54.64%EV -3.94%E -2.24%K -5.18%G +0.000%4.0%2026-05-22 08:59
PlayUp🎯2.10I 47.62%NM 45.45%EV -4.62%E -2.20%K -4.20%G +0.000%1.75I 57.14%NM 54.55%EV -4.48%E -2.56%K -5.98%G +0.000%4.8%2026-05-22 09:00
theScore Bet🎯2.05I 48.78%NM 45.48%EV -6.89%E -3.36%K -6.56%G +0.000%1.71I 58.48%NM 54.52%EV -6.67%E -3.90%K -9.39%G +0.000%7.3%2026-05-22 09:10
Betway🎯2.05I 48.78%NM 45.33%EV -6.89%E -3.36%K -6.56%G +0.000%1.70I 58.82%NM 54.67%EV -7.21%E -4.24%K -10.31%G +0.000%7.6%2026-05-22 09:10
GTbets🎯2.16I 46.30%NM 43.75%EV -1.89%E -0.877%K -1.63%G +0.000%1.68I 59.52%NM 56.25%EV -8.31%E -4.94%K -12.21%G +0.000%5.8%2026-05-22 08:59
Unibet (FR)🎯2.05I 48.78%NM 44.44%EV -6.89%E -3.36%K -6.56%G +0.000%1.64I 60.98%NM 55.56%EV -10.49%E -6.40%K -16.39%G +0.000%9.8%2026-05-22 08:58
Fliff🎯2.10I 47.62%NM 43.40%EV -4.62%E -2.20%K -4.20%G +0.000%1.61I 62.11%NM 56.60%EV -12.13%E -7.53%K -19.88%G +0.000%9.7%2026-05-22 09:10
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 (EU)◎2.30I 43.48%NM 43.35%1.76I 56.82%NM 56.65%0.3%2026-05-22 09:10
Betfair Exchange (UK)◎2.18I 45.87%NM 45.50%1.82I 54.95%NM 54.50%0.8%2026-05-22 09:10
Betfair Exchange (AU)◎2.12I 47.17%NM 46.73%1.86I 53.76%NM 53.27%0.9%2026-05-22 09:10
Smarkets◎1.99I 50.25%NM 49.75%1.97I 50.76%NM 50.25%1.0%2026-05-22 09:10
Novig◎1.97I 50.76%NM 48.16%1.83I 54.64%NM 51.84%5.4%2026-05-22 09:10