Head to head
1
Clay
1
0
Carpet
1
Pat Cramer's wins on the left · Charles Owens's on the right · bar lengths share one scale
All meetings (3)
| 1973 | Birmingham | Carpet | QF | Charles Owens | 6-4 5-5 RET |
| 1972 | Toronto-2 | Clay | R32 | Charles Owens | 6-2 6-1 |
| 1970 | Washington | Clay | R64 | Pat Cramer | 6-1 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.