Head to head
1
Hard
1
0
Clay
4
Heinz Gunthardt's wins on the left · Jose-Luis Clerc's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1982 | Zell Am See WCT | Clay | F | Jose-Luis Clerc | 6-0 3-6 6-2 6-1 |
| 1981 | Roland Garros | Clay | R128 | Jose-Luis Clerc | 7-5 7-5 6-1 |
| 1981 | Forest Hills WCT | Clay | R16 | Jose-Luis Clerc | 7-6 6-3 |
| 1980 | Johannesburg-1 | Hard | SF | Heinz Gunthardt | 6-3 6-4 |
| 1979 | Johannesburg-2 | Hard | QF | Jose-Luis Clerc | 7-6 3-6 6-1 |
| 1978 | Rome | Clay | R64 | Jose-Luis Clerc | 7-6 6-0 |
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.