Head to head
1
Clay
0
0
Grass
1
Istvan Gulyas's wins on the left · Cliff Richey's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Roland Garros | Clay | R16 | Istvan Gulyas | 6-4 7-5 4-6 6-2 |
| 1970 | Wimbledon | Grass | R128 | Cliff Richey | 6-2 6-8 6-4 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.