The School of Tennis Oddsodds.tennis
Default modelInterquartile mean (Vetted List)
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Maria Timofeeva v Naomi Osaka

2026-10-02 03:00 UTC — WTA China Open

Head to Head

50 sportsbooks (17 in analysis )

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

Maria Timofeeva (Local)

Prediction 21.76%4.60fair odd
EV +14.22%
Edge +2.71%
Kelly +3.35%
Growth +0.476%

assuming max odds 5.25

Bookmakers’ predictions’ distribution
17.97%21.58%21.71%24.75%MIN.MEANMEDIANMAX.
Odds’ distribution
3.804.564.455.2526.32%21.92%22.47%19.05%MIN.MEANMEDIANMAX.

Naomi Osaka (Visit)

Prediction 78.24%1.28fair odd
EV -2.19%
Edge -1.76%
Kelly -8.78%
Growth +0.000%

assuming max odds 1.25

Bookmakers’ predictions’ distribution
75.25%78.42%78.29%82.03%MIN.MEANMEDIANMAX.
Odds’ distribution
1.111.191.181.2590.09%84.18%84.75%80.00%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Maria Timofeeva (Local): 21.76%; Naomi Osaka (Visit): 78.24%. For Maria Timofeeva (Local), that estimate is equivalent to fair decimal odds of 4.60. 19 bookmakers offer odds above that level; the best available odds are 5.25, producing a positive expected value of +14.22%.

Sportsbook Odds (50 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
LiveScore Bet🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
BetRivers🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Unibet🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Unibet (SE)🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Virgin Bet🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
TABtouch🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
LeoVegas (SE)🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Unibet (NL)🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Grosvenor🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Casumo🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Bally Bet🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
betPARX🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
ATG (SE)🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Svenska Spel🎯5.25I 19.05%NM 18.10%EV +14.22%E +2.71%K +3.35%G +0.476%1.16I 86.21%NM 81.90%EV -9.24%E -7.96%K -57.73%G +0.000%5.3%2026-09-30 09:50
Hard Rock Bet🎯5.25I 19.05%NM 17.97%EV +14.22%E +2.71%K +3.35%G +0.476%1.15I 86.96%NM 82.03%EV -10.02%E -8.71%K -66.79%G +0.000%6.0%2026-09-30 09:50
PMU (FR)🎯4.80I 20.83%NM 18.78%EV +4.43%E +0.922%K +1.17%G +0.052%1.11I 90.09%NM 81.22%EV -13.15%E -11.85%K -119.53%G +0.000%10.9%2026-09-30 09:50
FanDuel🎯4.75I 21.05%NM 20.17%EV +3.34%E +0.703%K +0.891%G +0.030%1.20I 83.33%NM 79.83%EV -6.11%E -5.09%K -30.53%G +0.000%4.4%2026-09-30 09:05
GTbets🎯4.75I 21.05%NM 19.90%EV +3.34%E +0.703%K +0.891%G +0.030%1.18I 84.75%NM 80.10%EV -7.67%E -6.50%K -42.62%G +0.000%5.8%2026-09-30 10:00
SportsBet🎯4.75I 21.05%NM 19.63%EV +3.34%E +0.703%K +0.891%G +0.030%1.16I 86.21%NM 80.37%EV -9.24%E -7.96%K -57.73%G +0.000%7.3%2026-09-30 09:05
Bet Right🎯4.50I 22.22%NM 21.19%EV -2.10%E -0.467%K -0.600%G +0.000%1.21I 82.64%NM 78.81%EV -5.32%E -4.40%K -25.35%G +0.000%4.9%2026-09-30 10:20
Betsson🎯4.50I 22.22%NM 21.19%EV -2.10%E -0.467%K -0.600%G +0.000%1.21I 82.64%NM 78.81%EV -5.32%E -4.40%K -25.35%G +0.000%4.9%2026-09-30 11:55
PointsBet (AU)🎯4.50I 22.22%NM 21.05%EV -2.10%E -0.467%K -0.600%G +0.000%1.20I 83.33%NM 78.95%EV -6.11%E -5.09%K -30.53%G +0.000%5.6%2026-09-30 10:15
Sky Bet🎯4.50I 22.22%NM 21.05%EV -2.10%E -0.467%K -0.600%G +0.000%1.20I 83.33%NM 78.95%EV -6.11%E -5.09%K -30.53%G +0.000%5.6%2026-09-30 09:15
Paddy Power🎯4.50I 22.22%NM 20.63%EV -2.10%E -0.467%K -0.600%G +0.000%1.17I 85.47%NM 79.37%EV -8.45%E -7.23%K -49.73%G +0.000%7.7%2026-09-30 09:05
Tipico (DE)🎯4.50I 22.22%NM 20.49%EV -2.10%E -0.467%K -0.600%G +0.000%1.16I 86.21%NM 79.51%EV -9.24%E -7.96%K -57.73%G +0.000%8.4%2026-09-30 11:20
DraftKings🎯4.40I 22.73%NM 21.71%EV -4.28%E -0.972%K -1.26%G +0.000%1.22I 81.97%NM 78.29%EV -4.54%E -3.72%K -20.65%G +0.000%4.7%2026-09-30 09:59
Fanatics🎯4.40I 22.73%NM 21.57%EV -4.28%E -0.972%K -1.26%G +0.000%1.21I 82.64%NM 78.43%EV -5.32%E -4.40%K -25.35%G +0.000%5.4%2026-09-30 10:25
Betr (AU)🎯4.40I 22.73%NM 21.43%EV -4.28%E -0.972%K -1.26%G +0.000%1.20I 83.33%NM 78.57%EV -6.11%E -5.09%K -30.53%G +0.000%6.1%2026-09-30 10:20
theScore Bet🎯4.40I 22.73%NM 21.15%EV -4.28%E -0.972%K -1.26%G +0.000%1.18I 84.75%NM 78.85%EV -7.67%E -6.50%K -42.62%G +0.000%7.5%2026-09-30 10:05
Marathon Bet🎯4.35I 22.99%NM 21.76%EV -5.36%E -1.23%K -1.60%G +0.000%1.21I 82.64%NM 78.24%EV -5.32%E -4.40%K -25.35%G +0.000%5.6%2026-09-30 10:00
Unibet (UK)🎯4.30I 23.26%NM 21.68%EV -6.45%E -1.50%K -1.95%G +0.000%1.19I 84.03%NM 78.32%EV -6.89%E -5.79%K -36.26%G +0.000%7.3%2026-09-30 10:20
1xBet🎯4.28I 23.36%NM 22.18%EV -6.89%E -1.61%K -2.10%G +0.000%1.22I 81.97%NM 77.82%EV -4.54%E -3.72%K -20.65%G +0.000%5.3%2026-09-30 10:04
Betway🎯4.25I 23.53%NM 22.30%EV -7.54%E -1.77%K -2.32%G +0.000%1.22I 81.97%NM 77.70%EV -4.54%E -3.72%K -20.65%G +0.000%5.5%2026-09-30 10:20
LeoVegas🎯4.25I 23.53%NM 21.73%EV -7.54%E -1.77%K -2.32%G +0.000%1.18I 84.75%NM 78.27%EV -7.67%E -6.50%K -42.62%G +0.000%8.3%2026-09-30 10:25
888sport🎯4.20I 23.81%NM 22.51%EV -8.63%E -2.05%K -2.70%G +0.000%1.22I 81.97%NM 77.49%EV -4.54%E -3.72%K -20.65%G +0.000%5.8%2026-09-30 10:00
Mr Green (SE)🎯4.20I 23.81%NM 22.51%EV -8.63%E -2.05%K -2.70%G +0.000%1.22I 81.97%NM 77.49%EV -4.54%E -3.72%K -20.65%G +0.000%5.8%2026-09-30 10:00
888sport (SE)🎯4.20I 23.81%NM 22.51%EV -8.63%E -2.05%K -2.70%G +0.000%1.22I 81.97%NM 77.49%EV -4.54%E -3.72%K -20.65%G +0.000%5.8%2026-09-30 10:00
BoyleSports🎯4.20I 23.81%NM 22.22%EV -8.63%E -2.05%K -2.70%G +0.000%1.20I 83.33%NM 77.78%EV -6.11%E -5.09%K -30.53%G +0.000%7.1%2026-09-30 10:04
Caesars🎯4.20I 23.81%NM 22.22%EV -8.63%E -2.05%K -2.70%G +0.000%1.20I 83.33%NM 77.78%EV -6.11%E -5.09%K -30.53%G +0.000%7.1%2026-09-30 12:17
BetMGM🎯4.10I 24.39%NM 22.93%EV -10.80%E -2.63%K -3.48%G +0.000%1.22I 81.97%NM 77.07%EV -4.54%E -3.72%K -20.65%G +0.000%6.4%2026-09-30 10:55
TAB🎯4.00I 25.00%NM 23.37%EV -12.98%E -3.24%K -4.33%G +0.000%1.22I 81.97%NM 76.63%EV -4.54%E -3.72%K -20.65%G +0.000%7.0%2026-09-30 10:00
Ladbrokes (UK)🎯4.00I 25.00%NM 23.37%EV -12.98%E -3.24%K -4.33%G +0.000%1.22I 81.97%NM 76.63%EV -4.54%E -3.72%K -20.65%G +0.000%7.0%2026-09-30 10:50
Coral🎯4.00I 25.00%NM 23.37%EV -12.98%E -3.24%K -4.33%G +0.000%1.22I 81.97%NM 76.63%EV -4.54%E -3.72%K -20.65%G +0.000%7.0%2026-09-30 10:55
Betclic (FR)🎯4.00I 25.00%NM 22.78%EV -12.98%E -3.24%K -4.33%G +0.000%1.18I 84.75%NM 77.22%EV -7.67%E -6.50%K -42.62%G +0.000%9.7%2026-09-30 10:19
ReBet🎯4.00I 25.00%NM 22.63%EV -12.98%E -3.24%K -4.33%G +0.000%1.17I 85.47%NM 77.37%EV -8.45%E -7.23%K -49.73%G +0.000%10.5%2026-09-30 10:20
Winamax (FR)🎯3.90I 25.64%NM 23.08%EV -15.15%E -3.89%K -5.23%G +0.000%1.17I 85.47%NM 76.92%EV -8.45%E -7.23%K -49.73%G +0.000%11.1%2026-09-30 10:20
PlayUp🎯3.85I 25.97%NM 24.51%EV -16.24%E -4.22%K -5.70%G +0.000%1.25I 80.00%NM 75.49%EV -2.19%E -1.76%K -8.78%G +0.000%6.0%2026-09-30 10:00
Neds🎯3.80I 26.32%NM 24.75%EV -17.33%E -4.56%K -6.19%G +0.000%1.25I 80.00%NM 75.25%EV -2.19%E -1.76%K -8.78%G +0.000%6.3%2026-09-30 10:50
Ladbrokes (AU)🎯3.80I 26.32%NM 24.75%EV -17.33%E -4.56%K -6.19%G +0.000%1.25I 80.00%NM 75.25%EV -2.19%E -1.76%K -8.78%G +0.000%6.3%2026-09-30 10:50
Unibet (FR)🎯3.80I 26.32%NM 23.54%EV -17.33%E -4.56%K -6.19%G +0.000%1.17I 85.47%NM 76.46%EV -8.45%E -7.23%K -49.73%G +0.000%11.8%2026-09-30 10:19
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)◎4.30I 23.26%NM 22.10%1.22I 81.97%NM 77.90%5.2%2026-09-30 09:50
Betfair Exchange (EU)◎4.30I 23.26%NM 22.10%1.22I 81.97%NM 77.90%5.2%2026-09-30 09:50
Betfair Exchange (UK)◎4.30I 23.26%NM 22.10%1.22I 81.97%NM 77.90%5.2%2026-09-30 09:50
Matchbook◎3.85I 25.97%NM 23.76%1.20I 83.33%NM 76.24%9.3%2026-09-30 09:30
Smarkets◎4.00I 25.00%NM 22.48%1.16I 86.21%NM 77.52%11.2%2026-09-30 10:05
Arbitrage (45 combinations) +0.96%LiveScore Bet 5.25 (19.2%) / PlayUp 1.25 (80.8%)Show all 45 combinations
Maria Timofeeva (Local)Naomi Osaka (Visit)Margin
LiveScore Bet🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
LiveScore Bet🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
LiveScore Bet🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
BetRivers🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
BetRivers🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
BetRivers🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Unibet🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Unibet🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Unibet🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Unibet (SE)🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Unibet (SE)🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Unibet (SE)🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Virgin Bet🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Virgin Bet🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Virgin Bet🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
TABtouch🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
TABtouch🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
TABtouch🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
LeoVegas (SE)🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
LeoVegas (SE)🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
LeoVegas (SE)🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Unibet (NL)🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Unibet (NL)🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Unibet (NL)🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Grosvenor🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Grosvenor🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Grosvenor🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Casumo🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Casumo🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Casumo🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Bally Bet🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Bally Bet🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Bally Bet🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
betPARX🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
betPARX🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
betPARX🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
ATG (SE)🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
ATG (SE)🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
ATG (SE)🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Svenska Spel🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Svenska Spel🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Svenska Spel🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%
Hard Rock Bet🎯 5.25 (19.2%)PlayUp🎯 1.25 (80.8%)+0.962%
Hard Rock Bet🎯 5.25 (19.2%)Neds🎯 1.25 (80.8%)+0.962%
Hard Rock Bet🎯 5.25 (19.2%)Ladbrokes (AU)🎯 1.25 (80.8%)+0.962%