Head to head
2
Hard
0
2
Clay
2
1
Grass
0
Cliff Richey's wins on the left · Jan Kodes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1977 | US Open | Clay | R64 | Jan Kodes | 7-5 6-0 |
| 1976 | US Open | Clay | R32 | Jan Kodes | 6-2 7-5 |
| 1975 | Nottingham | Grass | R32 | Cliff Richey | 6-2 4-6 6-4 |
| 1971 | Masters | Hard | RR | Cliff Richey | 6-2 3-6 6-3 |
| 1970 | Cincinnati | Clay | SF | Cliff Richey | 6-0 4-6 6-2 |
| 1970 | Charlotte | Clay | SF | Cliff Richey | 6-2 6-4 |
| 1970 | San Juan | Hard | R16 | Cliff Richey | 6-2 6-2 |
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.