Head to head
0
Hard
1
1
Clay
0
1
Carpet
1
Jan Leschly's wins on the left · Cliff Richey's on the right · bar lengths share one scale
All meetings (4)
| 1972 | London-1 | Carpet | R16 | Cliff Richey | 2-6 6-2 6-4 |
| 1971 | Buenos Aires | Clay | QF | Jan Leschly | 6-1 4-6 6-3 6-2 |
| 1968 | Salisbury | Hard | QF | Cliff Richey | 1-6 6-4 6-2 |
| 1968 | Philadelphia | Carpet | QF | Jan Leschly | 6-3 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.