
Janice Tjen advanced to the quarterfinals of the Monterrey tournament with a three-set win over Dayana Yastremska in the Round of 16. Tjen won 2-6, 6-3, 7-6, hitting 12 aces and committing 5 double faults. Yastremska had 5 service breaks, but Tjen's 4 breaks were enough to secure the victory.
Janice Tjen mounted a dramatic comeback from 4-1 down in the final set to defeat Dayana Yastremska in her Monterrey opener.
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| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-15 | Dubai | R64 | hard | Janice Tjen | 6-4 6-1 |
Averages over each player's completed matches in the selected window (27 vs 32). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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.
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.
Tjen J.: 3 days rest · 2 matches, 49 games (7d) · Yastremska D.: 4 days rest · 1 match, 30 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About