Head to head
8
Hard
5
1
Clay
1
0
Grass
2
Kevin Anderson's wins on the left · Sam Querrey's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (17)
| 2022 | Dallas | Hard | R32 | Kevin Anderson | 6-4 6-4 |
| 2018 | New York | Hard | F | Kevin Anderson | 4-6 6-3 7-6(1) |
| 2017 | US Open | Hard | QF | Kevin Anderson | 7-6(5) 6-7(9) 6-3 7-6(7) |
| 2017 | Canada Masters | Hard | R16 | Kevin Anderson | 6-4 6-1 |
| 2017 | Wimbledon | Grass | R16 | Sam Querrey | 5-7 7-6(5) 6-3 6-7(11) 6-3 |
| 2015 | Miami Masters | Hard | R64 | Kevin Anderson | 6-7(5) 7-6(3) 6-4 |
| 2014 | Winston-Salem | Hard | R16 | Sam Querrey | 7-6(4) 6-4 |
| 2014 | Acapulco | Hard | R16 | Kevin Anderson | 7-6(2) 6-4 |
| 2012 | Washington | Hard | QF | Sam Querrey | 6-4 6-4 |
| 2012 | Houston | Clay | R16 | Kevin Anderson | 7-6(3) 3-6 7-6(2) |
| 2012 | Miami Masters | Hard | R64 | Kevin Anderson | 6-3 6-7(3) 6-3 |
| 2012 | Memphis | Hard | R16 | Sam Querrey | 7-6(4) 6-4 |
| 2011 | Rome Masters | Clay | R64 | Sam Querrey | 7-6(1) 1-0 RET |
| 2010 | Canada Masters | Hard | R32 | Kevin Anderson | 7-6(4) 4-6 6-4 |
| 2010 | Los Angeles | Hard | R16 | Sam Querrey | 7-6(8) 4-6 6-0 |
| 2009 | Queen's Club | Grass | R32 | Sam Querrey | 7-5 6-3 |
| 2008 | Las Vegas | Hard | F | Sam Querrey | 4-6 6-3 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.