Solana Sierra vs Sloane Stephens — Toronto Round of 128
USAQ
Sierra S.
Sloane Stephens defeated Solana Sierra in the Round of 128 at the Toronto tournament, winning 6-3, 6-4 on hard courts. Stephens hit 4 double faults and converted 62% of her break points, while Sierra hit 8 double faults and converted 67%. Stephens won 5 service breaks to Sierra's 2.
Key context
- Match story: Sloane Stephens closed it out in two sets, 6–3 6–4.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (36 vs 18). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Win Probability
Pre-match · updated 00:50 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.
Umpiry 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.
Freshness
Recent loadSierra S.: 6 days rest · 2 matches, 54 games (7d) · Stephens S.: 2 days rest · 3 matches, 71 games (7d). Higher means fresher. About