Head to head
1
Clay
0
0
Carpet
2
Ray Ruffels's wins on the left · Mike Cahill's on the right · bar lengths share one scale
All meetings (3)
| 1977 | Los Angeles-1 | Carpet | R32 | Mike Cahill | 7-5 6-3 |
| 1976 | US Open | Clay | R128 | Ray Ruffels | 7-5 6-1 |
| 1975 | Perth | Carpet | R32 | Mike Cahill | 7-5 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.