Head to head
1
Clay
0
1
Carpet
0
Mike Cahill's wins on the left · John Yuill's on the right · bar lengths share one scale
All meetings (2)
| 1980 | North Conway | Clay | R64 | Mike Cahill | 6-3 6-2 |
| 1978 | Washington-1 | Carpet | R32 | Mike Cahill | 6-0 6-1 |
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.