The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
+ New modelAll models

Facundo Diaz Acosta v Christopher O'Connell

Kickoff: 2026-05-18 11:00 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

12 sportsbooks (7 in analysis )

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

Facundo Diaz Acosta (Local)

Prediction 73.65%1.36fair odd
EV +0.158%
Edge +0.116%
Kelly +0.439%
Growth +0.001%

assuming max odds 1.36

Bookmakers’ predictions’ distribution
70.69%73.65%73.11%76.63%MIN.MEANMEDIANMAX.
Odds’ distribution
1.221.271.271.3681.97%78.64%78.43%73.53%MIN.MEANMEDIANMAX.

Christopher O'Connell (Visit)

Prediction 26.35%3.79fair odd
EV +5.42%
Edge +1.35%
Kelly +1.81%
Growth +0.098%

assuming max odds 4.00

Bookmakers’ predictions’ distribution
23.37%26.35%26.89%29.31%MIN.MEANMEDIANMAX.
Odds’ distribution
3.153.493.434.0031.75%28.65%29.15%25.00%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Facundo Diaz Acosta (Local): 73.65%; Christopher O'Connell (Visit): 26.35%. For Christopher O'Connell (Visit), that estimate was equivalent to fair decimal odds of 3.79. 1 bookmaker offered closing odds above that level; the best were 4.00, corresponding to a positive expected value of +5.42%.

Sportsbook Odds (12 sportsbooks)

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

BookmakerLocalVisit ▼MarginUpdated
theScore Bet🎯1.22I 81.97%NM 76.63%EV -10.15%E -8.32%K -46.15%G +0.000%4.00I 25.00%NM 23.37%EV +5.42%E +1.35%K +1.81%G +0.098%7.0%2026-05-18 10:10
BoyleSports🎯1.25I 80.00%NM 75.00%EV -7.94%E -6.35%K -31.77%G +0.000%3.75I 26.67%NM 25.00%EV -1.17%E -0.312%K -0.426%G +0.000%6.7%2026-05-18 10:10
NordicBet🎯1.22I 81.97%NM 75.45%EV -10.15%E -8.32%K -46.15%G +0.000%3.75I 26.67%NM 24.55%EV -1.17%E -0.312%K -0.426%G +0.000%8.6%2026-05-18 10:11
Betsson🎯1.22I 81.97%NM 75.45%EV -10.15%E -8.32%K -46.15%G +0.000%3.75I 26.67%NM 24.55%EV -1.17%E -0.312%K -0.426%G +0.000%8.6%2026-05-18 10:11
Betway🎯1.30I 76.92%NM 72.92%EV -4.26%E -3.28%K -14.20%G +0.000%3.50I 28.57%NM 27.08%EV -7.76%E -2.22%K -3.10%G +0.000%5.5%2026-05-18 09:59
Marathon Bet🎯1.28I 78.13%NM 73.11%EV -5.73%E -4.48%K -20.48%G +0.000%3.48I 28.74%NM 26.89%EV -8.29%E -2.38%K -3.34%G +0.000%6.9%2026-05-18 10:00
GTbets🎯1.29I 77.52%NM 72.38%EV -5.00%E -3.87%K -17.23%G +0.000%3.38I 29.59%NM 27.62%EV -10.92%E -3.23%K -4.59%G +0.000%7.1%2026-05-18 10:01
PlayUp🎯1.30I 76.92%NM 72.04%EV -4.26%E -3.28%K -14.20%G +0.000%3.35I 29.85%NM 27.96%EV -11.71%E -3.50%K -4.98%G +0.000%6.8%2026-05-18 10:00
MyBookie.ag🎯1.29I 77.52%NM 71.90%EV -5.00%E -3.87%K -17.23%G +0.000%3.30I 30.30%NM 28.10%EV -13.03%E -3.95%K -5.67%G +0.000%7.8%2026-05-18 09:59
Pinnacle🎯1.36I 73.53%NM 70.69%EV +0.158%E +0.116%K +0.439%G +0.001%3.28I 30.49%NM 29.31%EV -13.56%E -4.13%K -5.95%G +0.000%4.0%2026-05-18 10:06
NetBet (FR)🎯1.26I 79.37%NM 71.75%EV -7.21%E -5.72%K -27.72%G +0.000%3.20I 31.25%NM 28.25%EV -15.67%E -4.90%K -7.12%G +0.000%10.6%2026-05-18 10:01
Unibet (FR)🎯1.27I 78.74%NM 71.27%EV -6.47%E -5.09%K -23.96%G +0.000%3.15I 31.75%NM 28.73%EV -16.98%E -5.39%K -7.90%G +0.000%10.5%2026-05-18 09:54
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 (1)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎1.33I 75.19%NM 72.75%3.55I 28.17%NM 27.25%3.4%2026-05-18 09:56