Sam Querrey defeated Lleyton Hewitt 6-3 6-4 in the Houston round of 16 on clay. The upset overturned the form book — Lleyton Hewitt came in leading the head-to-head 3–1, defending last year's round of 32. Sam Querrey narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-10 | Queen's Club | R16 | grass | Lleyton Hewitt | 5-7 6-3 6-4 |
| 2013-02-11 | San Jose | R16 | hard | Sam Querrey | 7-6(6) 1-6 7-6(4) |
| 2009-08-16 | Cincinnati Masters | R16 | hard | Lleyton Hewitt | 6-1 2-6 6-3 |
| 2008-03-13 | Indian Wells Masters | R64 | hard | Lleyton Hewitt | 6-4 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 42). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About