Stan Wawrinka defeated Sam Querrey 7-6 7-5 6-4 in the Australian Open round of 32 on hard. The result followed the form book — Stan Wawrinka came in leading the head-to-head 4–2, defending last year's round of 32. Stan Wawrinka extended the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-06-18 | Queen's Club | R16 | grass | Sam Querrey | 7-5 6-7(3) 6-1 |
| 2017-05-22 | Geneva | QF | clay | Stan Wawrinka | 4-6 7-5 6-2 |
| 2014-06-09 | Queen's Club | R16 | grass | Stan Wawrinka | 6-2 6-2 |
| 2013-09-30 | Beijing | R16 | hard | Sam Querrey | 6-3 7-6(2) |
| 2010-08-30 | US Open | R16 | hard | Stan Wawrinka | 7-6(9) 6-7(5) 7-5 4-6 6-4 |
| 2009-03-12 | Indian Wells Masters | R32 | hard | Stan Wawrinka | 2-6 7-5 7-6(8) |
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
Averages over each player's completed matches in the selected window (198 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Wawrinka S.: 12 days rest · 1 match (14d). Higher means fresher. About