Laura Siegemund defeated Coco Vandeweghe 7-6 6-3 in the Indian Wells qualifying round 1 on hard. The upset overturned the form book — Coco Vandeweghe came in leading the head-to-head 4–1. Laura Siegemund narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-20 | Australian Open | R128 | hard | Laura Siegemund | 6-1 6-4 |
| 2018-05-28 | Roland Garros | R128 | clay | Coco Vandeweghe | 6-4 6-4 |
| 2018-04-23 | Stuttgart | R16 | clay | Coco Vandeweghe | 6-4 4-6 6-3 |
| 2017-05-08 | Madrid | R32 | clay | Coco Vandeweghe | 6-2 4-6 6-3 |
| 2009-10-05 | Troy AL 50K | R16 | hard | Coco Vandeweghe | 6-1 6-1 |
Averages over each player's completed matches in the selected window (148 vs 21). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). 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