Jan Hajek defeated Sam Querrey 7-5 7-5 in the Vienna q32 on hard. The upset overturned the form book — Sam Querrey came in leading the head-to-head 2–0. Jan Hajek claimed a first win over Sam Querrey in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-27 | Roland Garros | R64 | clay | Sam Querrey | 6-4 7-5 6-4 |
| 2010-05-16 | Dusseldorf | RR | clay | Sam Querrey | 6-3 7-5 |
Averages over each player's completed matches in the selected window (69 vs 200). 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