The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Jesper De Jong v Michael Zheng

Kickoff: 2026-05-21 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

12 sportsbooks (6 in analysis )

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

Jesper De Jong (Local)

Prediction 64.08%1.56fair odd
EV -1.31%
Edge -0.851%
Kelly -2.43%
Growth +0.000%

assuming max odds 1.54

Bookmakers’ predictions’ distribution
60.21%64.06%64.22%67.83%MIN.MEANMEDIANMAX.
Odds’ distribution
1.361.451.441.5473.53%69.04%69.20%64.94%MIN.MEANMEDIANMAX.

Michael Zheng (Visit)

Prediction 35.92%2.78fair odd
EV +4.88%
Edge +1.67%
Kelly +2.54%
Growth +0.124%

assuming max odds 2.92

Bookmakers’ predictions’ distribution
32.17%35.94%35.78%39.79%MIN.MEANMEDIANMAX.
Odds’ distribution
2.302.622.682.9243.48%38.23%37.31%34.25%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: Jesper De Jong (Local): 64.08%; Michael Zheng (Visit): 35.92%. For Michael Zheng (Visit), that estimate was equivalent to fair decimal odds of 2.78. 2 bookmakers offered closing odds above that level; the best were 2.92, corresponding to a positive expected value of +4.88%.

Sportsbook Odds (12 sportsbooks)

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BookmakerLocalVisit ▼MarginUpdated
Pinnacle🎯1.44I 69.44%NM 66.97%EV -7.72%E -5.36%K -17.54%G +0.000%2.92I 34.25%NM 33.03%EV +4.88%E +1.67%K +2.54%G +0.124%3.7%2026-05-21 09:00
Marathon Bet🎯1.38I 72.46%NM 67.83%EV -11.56%E -8.38%K -30.43%G +0.000%2.91I 34.36%NM 32.17%EV +4.52%E +1.55%K +2.36%G +0.107%6.8%2026-05-21 08:59
PlayUp🎯1.45I 68.97%NM 65.48%EV -7.08%E -4.88%K -15.73%G +0.000%2.75I 36.36%NM 34.52%EV -1.23%E -0.447%K -0.703%G +0.000%5.3%2026-05-21 09:06
Unibet (FR)🎯1.39I 71.94%NM 66.43%EV -10.92%E -7.86%K -28.01%G +0.000%2.75I 36.36%NM 33.57%EV -1.23%E -0.447%K -0.703%G +0.000%8.3%2026-05-21 09:00
NetBet (FR)🎯1.36I 73.53%NM 66.91%EV -12.85%E -9.45%K -35.68%G +0.000%2.75I 36.36%NM 33.09%EV -1.23%E -0.447%K -0.703%G +0.000%9.9%2026-05-21 08:59
GTbets🎯1.42I 70.42%NM 65.87%EV -9.00%E -6.34%K -21.43%G +0.000%2.74I 36.50%NM 34.13%EV -1.59%E -0.580%K -0.913%G +0.000%6.9%2026-05-21 08:59
MyBookie.ag🎯1.43I 69.93%NM 64.69%EV -8.36%E -5.85%K -19.44%G +0.000%2.62I 38.17%NM 35.31%EV -5.90%E -2.25%K -3.64%G +0.000%8.1%2026-05-21 08:59
NordicBet🎯1.47I 68.03%NM 62.50%EV -5.80%E -3.94%K -12.33%G +0.000%2.45I 40.82%NM 37.50%EV -12.00%E -4.90%K -8.28%G +0.000%8.8%2026-05-21 09:19
theScore Bet🎯1.54I 64.94%NM 60.91%EV -1.31%E -0.851%K -2.43%G +0.000%2.40I 41.67%NM 39.09%EV -13.80%E -5.75%K -9.86%G +0.000%6.6%2026-05-21 09:20
Betway🎯1.50I 66.67%NM 61.54%EV -3.87%E -2.58%K -7.75%G +0.000%2.40I 41.67%NM 38.46%EV -13.80%E -5.75%K -9.86%G +0.000%8.3%2026-05-21 09:20
Fliff🎯1.48I 67.57%NM 61.86%EV -5.16%E -3.48%K -10.74%G +0.000%2.40I 41.67%NM 38.14%EV -13.80%E -5.75%K -9.86%G +0.000%9.2%2026-05-21 09:20
Betsson🎯1.52I 65.79%NM 60.21%EV -2.59%E -1.71%K -4.99%G +0.000%2.30I 43.48%NM 39.79%EV -17.39%E -7.56%K -13.38%G +0.000%9.3%2026-05-21 09:20
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 (2)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎1.45I 68.97%NM 67.78%3.05I 32.79%NM 32.22%1.8%2026-05-21 09:00
Novig◎1.52I 65.79%NM 61.71%2.45I 40.82%NM 38.29%6.6%2026-05-21 09:20