Head to head
1
Hard
2
1
Clay
0
Sam Querrey's wins on the left · Philipp Kohlschreiber's on the right · bar lengths share one scale
All meetings (4)
| 2013 | Auckland | Hard | SF | Philipp Kohlschreiber | 6-4 7-6(2) |
| 2011 | Roland Garros | Clay | R128 | Sam Querrey | 3-6 6-1 6-2 6-4 |
| 2009 | Australian Open | Hard | R128 | Philipp Kohlschreiber | 7-6(6) 6-3 6-2 |
| 2006 | US Open | Hard | R128 | Sam Querrey | 6-3 6-4 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.