Head to head
0
Hard
2
1
Clay
0
Tom Gullikson's wins on the left · Mike Cahill's on the right · bar lengths share one scale
All meetings (3)
| 1980 | Tampa | Hard | R16 | Mike Cahill | 6-3 6-4 |
| 1979 | Stowe | Hard | QF | Mike Cahill | 6-4 6-7 7-5 |
| 1977 | Tokyo | Clay | R64 | Tom Gullikson | 7-6 2-6 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.