Head to head
1
Clay
2
Damir Keretic's wins on the left · Heinz Gunthardt's on the right · bar lengths share one scale
All meetings (3)
| 1986 | Roland Garros | Clay | R128 | Damir Keretic | 4-6 6-3 4-6 7-6 8-6 |
| 1985 | Roland Garros | Clay | R128 | Heinz Gunthardt | 6-0 6-3 6-4 |
| 1983 | Davis Cup EUR F: FRG vs SUI | Clay | RR | Heinz Gunthardt | 6-3 7-5 |
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.