Head to head
1
Hard
3
1
Clay
2
Sam Querrey's wins on the left · Andreas Seppi's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2018 | US Open | Hard | R128 | Andreas Seppi | 6-7(6) 6-4 6-2 2-1 RET |
| 2014 | Indian Wells Masters | Hard | R64 | Andreas Seppi | 4-6 7-6(3) 6-3 |
| 2012 | Beijing | Hard | R16 | Sam Querrey | 6-1 6-4 |
| 2009 | Madrid Masters | Clay | R32 | Andreas Seppi | 6-3 4-6 6-4 |
| 2009 | Rome Masters | Clay | R64 | Andreas Seppi | 3-6 6-4 6-3 |
| 2008 | Monte Carlo Masters | Clay | R32 | Sam Querrey | 6-1 7-5 |
| 2007 | Paris Masters | Hard | R64 | Andreas Seppi | 5-7 6-1 6-3 |
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.