Gilles Muller defeated Sam Querrey 6-4 7-6 in the London quarter-final on carpet. The upset overturned the form book — Sam Querrey came in leading the head-to-head 2–1. Gilles Muller narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-19 | Queen's Club | QF | grass | Gilles Muller | 6-4 7-6 |
| 2009-03-25 | Miami Masters | R128 | hard | Sam Querrey | 6-4 6-3 |
| 2009-01-12 | Auckland | R16 | hard | Sam Querrey | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (78 vs 193). 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