Head to head
3
Hard
1
1
Carpet
0
Harold Solomon's wins on the left · Russell Simpson's on the right · bar lengths share one scale
All meetings (5)
| 1986 | Boca Raton | Hard | R128 | Harold Solomon | 6-4 6-4 |
| 1981 | La Quinta | Hard | R32 | Harold Solomon | 6-7 6-3 6-0 |
| 1980 | US Open | Hard | R32 | Harold Solomon | 6-7 6-3 4-6 6-0 6-2 |
| 1980 | Tampa | Hard | R32 | Russell Simpson | 6-4 6-1 |
| 1975 | Perth | Carpet | R32 | Harold Solomon | 2-6 6-2 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.