Head to head
1
Hard
0
Jan Kukal's wins on the left · Pancho J.F. Guzman's on the right · bar lengths share one scale
All meetings (2)
| 1968 | Roland Garros | Clay | R128 | Jan Kukal | W/O |
| 1968 | San Juan | Hard | R32 | Jan Kukal | 6-3 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.