The School of Tennis Oddsodds.tennis
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Janice Tjen v Anhelina Kalinina

2026-09-30 02:00 UTC — WTA China Open

Head to Head

29 sportsbooks (10 in analysis )

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

Janice Tjen (Local)

Prediction 51.34%1.95fair odd
EV -1.94%
Edge -1.01%
Kelly -2.13%
Growth +0.000%

assuming max odds 1.91

Bookmakers’ predictions’ distribution
49.47%51.22%51.38%53.79%MIN.MEANMEDIANMAX.
Odds’ distribution
1.711.831.851.9158.48%54.52%54.05%52.36%MIN.MEANMEDIANMAX.

Anhelina Kalinina (Visit)

Prediction 48.66%2.06fair odd
EV +0.234%
Edge +0.114%
Kelly +0.221%
Growth +0.001%

assuming max odds 2.06

Bookmakers’ predictions’ distribution
46.21%48.78%48.62%50.53%MIN.MEANMEDIANMAX.
Odds’ distribution
1.851.941.942.0654.05%51.65%51.55%48.54%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Janice Tjen (Local): 51.34%; Anhelina Kalinina (Visit): 48.66%. For Anhelina Kalinina (Visit), that estimate is equivalent to fair decimal odds of 2.055. 1 bookmaker offers odds above that level; the best available odds are 2.060, producing a positive expected value of +0.234%.

Sportsbook Odds (29 sportsbooks)

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

BookmakerLocalVisit ▼MarginUpdated
GTbets🎯1.77I 56.50%NM 53.79%EV -9.12%E -5.15%K -11.85%G +0.000%2.06I 48.54%NM 46.21%EV +0.234%E +0.114%K +0.221%G +0.001%5.0%2026-09-28 17:15
888sport🎯1.80I 55.56%NM 52.63%EV -7.58%E -4.21%K -9.48%G +0.000%2.00I 50.00%NM 47.37%EV -2.69%E -1.34%K -2.69%G +0.000%5.6%2026-09-28 17:14
PlayUp🎯1.78I 56.18%NM 52.91%EV -8.61%E -4.84%K -11.04%G +0.000%2.00I 50.00%NM 47.09%EV -2.69%E -1.34%K -2.69%G +0.000%6.2%2026-09-28 17:15
DraftKings🎯1.85I 54.05%NM 51.44%EV -5.02%E -2.71%K -5.90%G +0.000%1.96I 51.02%NM 48.56%EV -4.63%E -2.36%K -4.82%G +0.000%5.1%2026-09-28 17:14
PointsBet (AU)🎯1.84I 54.35%NM 51.58%EV -5.53%E -3.01%K -6.58%G +0.000%1.96I 51.02%NM 48.42%EV -4.63%E -2.36%K -4.82%G +0.000%5.4%2026-09-28 17:15
Fanatics🎯1.87I 53.48%NM 51.05%EV -3.99%E -2.13%K -4.59%G +0.000%1.95I 51.28%NM 48.95%EV -5.12%E -2.62%K -5.39%G +0.000%4.8%2026-09-28 17:14
Hard Rock Bet🎯1.87I 53.48%NM 51.05%EV -3.99%E -2.13%K -4.59%G +0.000%1.95I 51.28%NM 48.95%EV -5.12%E -2.62%K -5.39%G +0.000%4.8%2026-09-28 17:20
Virgin Bet🎯1.86I 53.76%NM 51.18%EV -4.50%E -2.42%K -5.24%G +0.000%1.95I 51.28%NM 48.82%EV -5.12%E -2.62%K -5.39%G +0.000%5.0%2026-09-28 17:15
LiveScore Bet🎯1.86I 53.76%NM 51.18%EV -4.50%E -2.42%K -5.24%G +0.000%1.95I 51.28%NM 48.82%EV -5.12%E -2.62%K -5.39%G +0.000%5.0%2026-09-28 17:14
Betway🎯1.85I 54.05%NM 51.32%EV -5.02%E -2.71%K -5.90%G +0.000%1.95I 51.28%NM 48.68%EV -5.12%E -2.62%K -5.39%G +0.000%5.3%2026-09-28 17:15
theScore Bet🎯1.80I 55.56%NM 52.00%EV -7.58%E -4.21%K -9.48%G +0.000%1.95I 51.28%NM 48.00%EV -5.12%E -2.62%K -5.39%G +0.000%6.8%2026-09-28 17:14
Unibet🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
Grosvenor🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
Marathon Bet🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 18:40
LeoVegas (SE)🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
Unibet (SE)🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
Casumo🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
Unibet (NL)🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
betPARX🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:15
TABtouch🎯1.85I 54.05%NM 51.19%EV -5.02%E -2.71%K -5.90%G +0.000%1.94I 51.55%NM 48.81%EV -5.60%E -2.89%K -5.96%G +0.000%5.6%2026-09-28 17:19
Betr (AU)🎯1.83I 54.64%NM 51.46%EV -6.04%E -3.30%K -7.28%G +0.000%1.94I 51.55%NM 48.54%EV -5.60%E -2.89%K -5.96%G +0.000%6.2%2026-09-28 19:35
betano_uk🎯1.80I 55.56%NM 51.48%EV -7.58%E -4.21%K -9.48%G +0.000%1.91I 52.36%NM 48.52%EV -7.06%E -3.70%K -7.76%G +0.000%7.9%2026-09-28 17:14
Bet Victor🎯1.80I 55.56%NM 51.48%EV -7.58%E -4.21%K -9.48%G +0.000%1.91I 52.36%NM 48.52%EV -7.06%E -3.70%K -7.76%G +0.000%7.9%2026-09-28 17:15
ReBet🎯1.74I 57.47%NM 52.33%EV -10.66%E -6.13%K -14.41%G +0.000%1.91I 52.36%NM 47.67%EV -7.06%E -3.70%K -7.76%G +0.000%9.8%2026-09-28 17:15
Coolbet🎯1.90I 52.63%NM 50.00%EV -2.45%E -1.29%K -2.72%G +0.000%1.90I 52.63%NM 50.00%EV -7.55%E -3.97%K -8.39%G +0.000%5.3%2026-09-28 17:14
BetMGM🎯1.91I 52.36%NM 49.47%EV -1.94%E -1.01%K -2.13%G +0.000%1.87I 53.48%NM 50.53%EV -9.01%E -4.82%K -10.36%G +0.000%5.8%2026-09-28 17:15
Unibet (FR)🎯1.71I 58.48%NM 52.23%EV -12.20%E -7.14%K -17.19%G +0.000%1.87I 53.48%NM 47.77%EV -9.01%E -4.82%K -10.36%G +0.000%12.0%2026-09-28 17:25
Ladbrokes (UK)🎯1.85I 54.05%NM 50.00%EV -5.02%E -2.71%K -5.90%G +0.000%1.85I 54.05%NM 50.00%EV -9.98%E -5.40%K -11.75%G +0.000%8.1%2026-09-28 17:15
Coral🎯1.85I 54.05%NM 50.00%EV -5.02%E -2.71%K -5.90%G +0.000%1.85I 54.05%NM 50.00%EV -9.98%E -5.40%K -11.75%G +0.000%8.1%2026-09-28 17:15
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◎1.70I 58.82%NM 52.38%1.87I 53.48%NM 47.62%12.3%2026-09-28 17:15