Head to head
3
Hard
0
Roger Federer's wins on the left · Grega Zemlja's on the right · bar lengths share one scale
All meetings (3)
| 2013 | US Open | Hard | R128 | Roger Federer | 6-3 6-2 7-5 |
| 2013 | Rotterdam | Hard | R32 | Roger Federer | 6-3 6-1 |
| 2012 | Doha | Hard | R16 | Roger Federer | 6-2 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.