CÓMO IMPORTA CADA FACTOR
Level (Elo/ranking)▸ Samsonova●●
Samsonova ahead: Elo 1691 vs 1616 (+75), ranking #70 vs #76. Model assigns her 56% win probability on these metrics alone.
Form▸ Joint●●
Joint momentum: 3-match streak (vs Samsonova's 2-match streak). Both 5/10 in last 10; Joint's trend (-24 ranking) shallower than Samsonova's (-35).
Head-to-head▸ Samsonova●
Samsonova 1–0 in 2025 meeting. Single encounter; minimal predictive power but direction favors the favorite.
Serve/Return▸ Samsonova●●
Samsonova serves 60% (vs Joint's 55%), strong advantage on hard court. Joint returns 44% vs Samsonova's 42%; marginal returner edge does not offset serve gap.
Surface (Hard)= Igualado●
Samsonova 48% on hard (−4 pts vs baseline 51%); Joint 50% (−1 pt vs baseline 51%). Both slightly uncomfortable; Joint's relative edge minimal.
Rest/Fatigue= Igualado●
Identical recovery: both 2 days since last match, 5 matches in 14 days. No differentiation.
Weather▸ Samsonova●
27°C, 66% humidity, 13 km/h wind: warm and humid penalizes big flat serves slightly. Samsonova's serve strength (60%) remains her engine; Joint's 55% serve does not gain relative advantage.
SAMSONOVA'S RANKING & SERVE EDGE
Samsonova enters as the higher-ranked player (#70 vs #76) with a substantial Elo advantage (+75 points, 1691 vs 1616). On a hard court where serve dominates, her 60% serve-win rate outpaces Joint's 55%—a 5-point edge that compounds across a match. This is her primary advantage: clean, consistent serving.
On return, both players are weak (Samsonova 42%, Joint 44%), so Joint cannot neutralize through aggressive break-point conversion. The serve edge and ranking-derived model probability of 56% reflect a modest but real structural advantage for Samsonova.
JOINT'S FORM MOMENTUM
Joint is in a 3-match winning streak versus Samsonova's 2-match streak. Both have identical recent records (5 wins in last 10 matches), but Joint's ranking trend (−24 positions) is shallower than Samsonova's (−35), suggesting less recent volatility. Joint has stabilized her form and arrives with active positive momentum.
This recent surge, combined with her recent head-to-head loss to Samsonova in 2025, creates a psychological and tactical edge: Joint will enter this Toronto rematch with confidence to improve, not as a broken opponent.
SURFACE & CONDITIONS
Hard court is a neutral ground. Samsonova records 48% on the surface (4 points below her 51% baseline), while Joint records 50% (1 point below baseline). Both are slightly depressed, but Joint's relative decline is smaller. The 27°C temperature, 66% humidity, and 13 km/h wind create a warm, humid environment that historically slightly dampens flat, big serves—but Samsonova's 60% serve-win rate still exceeds Joint's 55%, so the serve favorite retains the edge.
No altitude data; conditions do not rescue the lower-ranked player or significantly alter the serve/baseline math.
MATCH SHARPNESS & RECOVERY
Both players have identical rest: 2 days since their last match and 5 matches played in the last 14 days. Neither is fresher; both are equally accustomed to the tournament's pace. There is no fatigue or rust differential to exploit. Samsonova's slight form dip (2-match streak vs Joint's 3) is offset by her higher-quality serve and ranking; Joint's momentum is real but not strong enough to overcome a serve handicap on hard court.
VALUE ASSESSMENT
The model assigns Samsonova 56% win probability; the market (odds 1.4) implies 71%. This is a 15-percentage-point divergence, resulting in an expected value of −21.8% for backing Samsonova at those odds. The market is overpricing her. Samsonova is the better player by ranking, serve, and head-to-head record, but she is not 71% likely to win—the odds embed unjustified confidence.
At fair odds (around 1.8 or higher), Samsonova would have modest positive value. At 1.4, she does not. Joint's form momentum and the neutral surface conditions offer enough resistance to make the market price unrealistic. This is a mismatch between true probability and available odds.
Impacto y análisis a partir de datos reales del partido (Elo, forma, cara a cara, descanso, superficie vs base, clima, altitud). El modelo ≈ el mercado de media; la cuota ya captura casi toda la ventaja. +18 · juega con responsabilidad.