Head to head
1
Hard
0
0
Grass
1
1
Carpet
0
Russell Simpson's wins on the left · Francisco Gonzalez's on the right · bar lengths share one scale
All meetings (3)
| 1985 | Brisbane | Carpet | R16 | Russell Simpson | 6-4 6-4 |
| 1984 | Davis Cup WG R1: NZL vs PAR | Grass | RR | Francisco Gonzalez | 6-1 6-3 6-8 2-6 6-4 |
| 1980 | Maui | Hard | R32 | Russell Simpson | 6-4 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.