Head to head
1
Hard
0
1
Grass
1
1
Carpet
0
Brian Teacher's wins on the left · Russell Simpson's on the right · bar lengths share one scale
All meetings (4)
| 1986 | Queen's Club | Grass | R64 | Russell Simpson | 6-4 6-4 |
| 1982 | Dortmund WCT | Carpet | R16 | Brian Teacher | 3-6 6-3 6-3 |
| 1980 | Sydney-2 | Grass | SF | Brian Teacher | 6-3 7-6 |
| 1980 | Toronto | Hard | R64 | Brian Teacher | 6-3 7-6 |
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.