Head to head
0
Hard
3
1
Clay
2
0
Grass
1
Frew McMillan's wins on the left · Cliff Richey's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1978 | Johannesburg-1 | Hard | QF | Cliff Richey | 5-7 6-4 6-3 |
| 1973 | Clemmons | Clay | R16 | Frew McMillan | 6-7 6-3 6-3 |
| 1972 | Johannesburg WCT | Hard | R16 | Cliff Richey | 6-2 1-6 6-1 |
| 1972 | US Open | Grass | QF | Cliff Richey | 3-6 6-1 6-4 6-2 |
| 1972 | Johannesburg-1 | Hard | R16 | Cliff Richey | 6-1 6-1 3-6 4-6 6-4 |
| 1970 | Indianapolis | Clay | QF | Cliff Richey | 7-5 2-6 8-6 |
| 1969 | Berlin | Clay | R32 | Cliff Richey | 6-1 6-1 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.