Head to head
0
Hard
2
0
Clay
1
1
Carpet
2
Jim McManus'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 (6)
| 1973 | St. Louis WCT | Carpet | R16 | Cliff Richey | 6-3 7-6(2) |
| 1971 | Omaha | Carpet | SF | Cliff Richey | 7-5 7-5 |
| 1970 | Houston | Clay | QF | Cliff Richey | 6-1 6-1 |
| 1970 | San Juan | Hard | SF | Cliff Richey | 6-2 6-3 |
| 1970 | Salisbury | Hard | R32 | Cliff Richey | 6-1 6-3 |
| 1970 | Richmond | Carpet | QF | Jim McManus | 8-10 6-2 6-4 |
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.