
Shuai Zhang faces Jelena Ostapenko in the Toronto round of 64 on hard. Jelena Ostapenko holds the paper edge — ranked #29, leading the head-to-head 2–0, a roughly 100-point hard Elo advantage.
Slight edge · Ostapenko J. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Averages over each player's completed matches in the selected window (36 vs 30). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-04 | Indian Wells | R64 | hard | Jelena Ostapenko | 6-2 6-1 |
| 2018-05-14 | Rome | R32 | clay | Jelena Ostapenko | 6-2 7-5 |
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About