Head to head
1
Clay
1
Heinz Gunthardt's wins on the left · Stefan Simonsson's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Munich | Clay | R16 | Stefan Simonsson | 6-2 4-6 6-2 |
| 1979 | Bastad | Clay | R32 | Heinz Gunthardt | 6-1 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.