Mona Barthel faces Lin Zhu in the Wimbledon qualifying round on grass. Lin Zhu holds the paper edge — ranked #141, defending last year's round of 128, a roughly 140-point grass Elo advantage. They have met 2 times, the series level at 1–1, Lin Zhu ahead 1–0 on grass.
Clear favourite · Zhu L. clearly ahead, but no certainty
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.
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Averages over each player's completed matches in the selected window (31 vs 24). 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
Barthel M.: 16 days rest · Zhu L.: 7 days rest · 2 matches, 35 games (7d). Higher means fresher. About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-28 | Wimbledon | R128 | grass | Lin Zhu | 6-7(2) 6-3 6-3 |
| 2019-03-04 | Indian Wells | R128 | hard | Mona Barthel | 6-4 6-7(4) 7-5 |