Head to head
2
Hard
1
1
Clay
0
1
Grass
1
Tim Gullikson's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1984 | Columbus | Hard | R32 | Tim Gullikson | 5-7 6-2 6-1 |
| 1982 | Los Angeles-1 | Hard | R16 | Tim Gullikson | 6-4 6-3 |
| 1979 | US Open | Hard | R16 | Roscoe Tanner | 6-3 6-4 7-5 |
| 1979 | Wimbledon | Grass | QF | Roscoe Tanner | 6-1 6-4 6-7 6-2 |
| 1977 | Nottingham | Grass | SF | Tim Gullikson | 6-4 3-6 13-11 |
| 1977 | Carlsbad | Hard | R32 | Tim Gullikson | W/O |
| 1976 | Washington-2 | Clay | R32 | Tim Gullikson | 6-4 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.