Head to head
3
Hard
4
1
Clay
1
Raul Ramirez's wins on the left · Brian Teacher's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 1982 | Los Angeles-1 | Hard | R16 | Brian Teacher | W/O |
| 1981 | Cincinnati | Hard | R32 | Raul Ramirez | 3-6 6-3 6-2 |
| 1981 | Los Angeles | Hard | R32 | Brian Teacher | 2-6 6-2 7-6 |
| 1980 | US Open | Hard | R128 | Brian Teacher | 7-6 6-1 6-2 |
| 1979 | Las Vegas | Hard | R32 | Raul Ramirez | 6-3 2-6 6-4 |
| 1978 | Roland Garros | Clay | R32 | Raul Ramirez | 6-2 6-4 6-4 |
| 1977 | Stockholm | Hard | R16 | Brian Teacher | 7-5 4-6 6-4 |
| 1977 | Washington-2 | Clay | R64 | Brian Teacher | 6-4 4-6 7-6 |
| 1977 | Las Vegas | Hard | R16 | Raul Ramirez | 6-7 7-6 6-3 |
| 1977 | Carlsbad | Hard | R64 | Brian Teacher | 3-6 6-4 7-5 |
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.