Solana Sierra vs Sloane Stephens — Toronto Round of 128
Sierra S.
Solana Sierra faces Sloane Stephens in the Toronto round of 128 on hard. Solana Sierra holds the paper edge — ranked #86, a roughly 30-point hard Elo advantage.
Win Probability
Pre-match · updated 04:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Solana Sierra comes in with 5 days of rest and 54 games in 14d, vs Sloane Stephens's 1 and 71.
- Under pressure: In the tight moments, Solana Sierra has rated higher under pressure (Clutch Rating 86 vs 55).
- Last match: Sloane Stephens dropped the opening set before beating Harriet Dart 3–6 6–0 6–2.
Common opponents
Last 12 monthsUmpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Statistics
This seasonAverages over each player's completed matches in the selected window (36 vs 18). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadSierra S.: 5 days rest · 2 matches, 54 games (7d) · Stephens S.: 1 day rest · 3 matches, 71 games (7d). Higher means fresher. About
Conditions
Head to head
No previous meetings on record.