Sam Querrey defeated Tommy Haas 6-3 7-5 in the Los Angeles semi-final on hard. The upset overturned the form book — Tommy Haas came in leading the head-to-head 4–1, defending last year's round of 32. Sam Querrey narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Shanghai Masters | R64 | hard | Tommy Haas | 6-4 6-4 |
| 2009-02-16 | Memphis | R32 | hard | Sam Querrey | 7-6(4) 6-4 |
| 2007-04-09 | Houston | R32 | clay | Tommy Haas | 3-6 6-3 7-5 |
| 2007-02-19 | Memphis | QF | hard | Tommy Haas | 6-2 6-2 |
| 2007-01-28 | Delray Beach | RR | hard | Tommy Haas | 6-4 7-5 |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About