Head to head
1
Hard
0
0
Carpet
1
Gary Donnelly's wins on the left · Todd Nelson's on the right · bar lengths share one scale
All meetings (2)
| 1987 | Chicago | Carpet | R32 | Todd Nelson | 6-1 6-4 |
| 1986 | Stratton Mountain | Hard | R64 | Gary Donnelly | 2-6 6-3 6-2 |
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.