Sam Querrey defeated Philipp Kohlschreiber 6-3 6-4 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Philipp Kohlschreiber came in leading the head-to-head 2–1, defending last year's round of 128. Sam Querrey narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-07 | Auckland | SF | hard | Philipp Kohlschreiber | 6-4 7-6(2) |
| 2011-05-22 | Roland Garros | R128 | clay | Sam Querrey | 3-6 6-1 6-2 6-4 |
| 2009-01-19 | Australian Open | R128 | hard | Philipp Kohlschreiber | 7-6(6) 6-3 6-2 |
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