Head to head
1
Hard
0
3
Clay
0
1
Grass
0
2
Carpet
0
Cliff Richey's wins on the left · Allan Stone's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1975 | Melbourne | Clay | R16 | Cliff Richey | 6-2 6-3 |
| 1975 | Las Vegas | Hard | R16 | Cliff Richey | 6-2 6-2 |
| 1973 | Atlanta WCT | Carpet | QF | Cliff Richey | 6-2 6-1 |
| 1972 | Montreal WCT | Carpet | R32 | Cliff Richey | 6-3 6-3 |
| 1969 | Haverford | Grass | QF | Cliff Richey | 8-6 6-4 |
| 1969 | Cincinnati | Clay | F | Cliff Richey | 6-1 6-2 |
| 1968 | Roland Garros | Clay | R32 | Cliff Richey | 7-5 6-3 7-5 |
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.