Head to head
1
Hard
0
1
Clay
0
1
Grass
0
0
Carpet
1
Jim Delaney's wins on the left · John Whitlinger's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Taipei | Carpet | R16 | John Whitlinger | 6-4 2-6 7-5 |
| 1977 | Hong Kong | Hard | R32 | Jim Delaney | 3-6 6-3 6-2 |
| 1976 | Brisbane | Grass | R32 | Jim Delaney | 7-6 3-6 6-1 |
| 1976 | Columbus-2 | Clay | R32 | Jim Delaney | 7-6 3-6 7-5 |
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.