Head to head
1
Hard
0
1
Grass
0
1
Carpet
0
Stan Wawrinka's wins on the left · Agustin Calleri's on the right · bar lengths share one scale
All meetings (3)
| 2007 | Doha | Hard | QF | Stan Wawrinka | 6-3 6-0 |
| 2006 | Basel | Carpet | R32 | Stan Wawrinka | 7-6(6) 6-2 |
| 2006 | Wimbledon | Grass | R64 | Stan Wawrinka | 7-6(5) 7-5 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.