Head to head
0
Clay
2
1
Carpet
1
D. Richard Russell's wins on the left · Nicola Spear's on the right · bar lengths share one scale
All meetings (4)
| 1973 | Madrid-1 | Clay | R64 | Nicola Spear | 6-3 6-1 |
| 1971 | Hampton | Carpet | R32 | D. Richard Russell | 6-2 4-6 6-4 |
| 1971 | Macon | Carpet | R64 | Nicola Spear | 6-4 4-6 6-4 |
| 1970 | Cincinnati | Clay | R64 | Nicola Spear | 6-2 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.