Head to head
3
Clay
0
Guillermo Vilas's wins on the left · Kjell Johansson's on the right · bar lengths share one scale
All meetings (3)
| 1978 | Hamburg | Clay | QF | Guillermo Vilas | 6-3 6-4 |
| 1976 | US Open | Clay | R32 | Guillermo Vilas | 6-3 RET |
| 1974 | Tehran | Clay | R32 | Guillermo Vilas | 6-4 6-2 |
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.