Head to head
Rivalry summary
Cliff Richey and Jan Kukal met 2 times on the ATP tour between 1968 and 1970. Cliff Richey leads the head-to-head 2–0 against Jan Kukal.
1
Hard
0
1
Carpet
0
Cliff Richey's wins on the left · Jan Kukal's on the right · bar lengths share one scale
All meetings (2)
| 1970 | Macon | Carpet | R16 | Cliff Richey | 6-3 7-5 |
| 1968 | Caracas | Hard | QF | Cliff Richey | 8-6 2-6 6-3 |
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.