Head to head
1
Hard
1
0
Clay
1
0
Grass
2
Jan Kukal's wins on the left · Manuel Orantes's on the right · bar lengths share one scale
All meetings (5)
| 1972 | South Orange | Grass | R32 | Manuel Orantes | 6-2 6-4 |
| 1972 | Hamburg | Clay | R16 | Manuel Orantes | 6-2 6-2 |
| 1970 | Wimbledon | Grass | R64 | Manuel Orantes | 3-6 11-9 6-3 6-4 |
| 1969 | Curacao | Hard | R16 | Jan Kukal | 4-6 6-4 8-6 |
| 1968 | Kingston | Hard | R16 | Manuel Orantes | 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.