Head to head
1
Clay
1
0
Carpet
1
Heinz Gunthardt's wins on the left · Cassio Motta's on the right · bar lengths share one scale
All meetings (3)
| 1984 | Wembley | Carpet | R32 | Cassio Motta | 7-6 6-3 |
| 1983 | Lisbon | Clay | R32 | Cassio Motta | 6-3 2-6 7-5 |
| 1982 | Zell Am See WCT | Clay | QF | Heinz Gunthardt | 0-6 6-4 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.