Head to head
2
Hard
0
2
Clay
0
Cliff Richey's wins on the left · D. Richard Russell's on the right · bar lengths share one scale
All meetings (4)
| 1973 | Rome | Clay | R64 | Cliff Richey | 6-1 6-0 |
| 1971 | Sacramento | Hard | R32 | Cliff Richey | 6-1 5-7 6-1 |
| 1970 | Berkeley | Hard | R32 | Cliff Richey | 6-0 6-4 |
| 1969 | Indianapolis | Clay | R64 | Cliff Richey | 6-1 5-7 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.