Head to head
1
Hard
1
1
Clay
0
Heinz Gunthardt's wins on the left · Kim Warwick's on the right · bar lengths share one scale
All meetings (3)
| 1982 | US Open | Hard | R32 | Kim Warwick | 6-3 6-2 6-1 |
| 1980 | Gstaad | Clay | F | Heinz Gunthardt | 4-6 6-4 7-6 |
| 1979 | Toronto | Hard | R64 | Heinz Gunthardt | 5-7 7-6 6-1 |
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.