Head to head
2
Hard
6
2
Clay
2
0
Carpet
11
Cliff Richey's wins on the left · Stan Smith's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (23)
| 1978 | Springfield | Carpet | R32 | Stan Smith | 6-3 6-4 |
| 1975 | Sydney-1 | Hard | R16 | Stan Smith | 1-6 6-3 6-2 |
| 1975 | Washington-2 | Clay | R16 | Cliff Richey | 7-6 6-0 |
| 1975 | Toronto WCT | Carpet | QF | Stan Smith | 6-7(5) 6-0 7-5 |
| 1974 | St. Louis WCT | Carpet | QF | Stan Smith | 7-5 6-2 |
| 1974 | Orlando WCT | Hard | QF | Stan Smith | 6-1 6-3 |
| 1973 | Brussels WCT | Carpet | QF | Stan Smith | 4-6 6-4 6-3 |
| 1973 | Munich WCT | Carpet | F | Stan Smith | 6-1 7-5 |
| 1973 | Atlanta WCT | Carpet | SF | Stan Smith | 6-3 6-2 |
| 1973 | Hilton Head WCT | Clay | SF | Stan Smith | 6-3 6-7 6-4 |
| 1973 | Philadelphia WCT | Carpet | QF | Stan Smith | 6-0 6-3 |
| 1972 | New York-1 | Carpet | SF | Stan Smith | 7-5 7-5 |
| 1971 | Masters | Hard | RR | Stan Smith | 4-6 6-2 9-7 |
| 1971 | San Juan | Hard | F | Stan Smith | 6-3 6-3 |
| 1970 | Paris | Carpet | R16 | Stan Smith | 6-3 6-2 |
| 1970 | Berkeley | Hard | SF | Cliff Richey | 7-6 6-7 6-3 4-6 7-6 |
| 1970 | Indianapolis | Clay | F | Cliff Richey | 6-2 10-8 3-6 6-1 |
| 1970 | Hampton | Carpet | SF | Stan Smith | 6-3 6-3 6-3 |
| 1970 | New York | Carpet | RR | Stan Smith | 6-1 |
| 1970 | Omaha | Hard | SF | Stan Smith | 6-3 8-6 |
| 1969 | Berkeley | Hard | F | Stan Smith | 6-2 6-2 |
| 1968 | Milwaukee | Clay | SF | Stan Smith | 1-6 6-8 6-4 6-3 6-4 |
| 1968 | Salisbury | Hard | SF | Cliff Richey | 7-5 12-10 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.