Head to head
0
Clay
2
1
Grass
1
Chris Kachel's wins on the left · Brian Teacher's on the right · bar lengths share one scale
All meetings (4)
| 1979 | Newport | Grass | QF | Brian Teacher | 6-4 6-4 |
| 1977 | US Open | Clay | R128 | Brian Teacher | 3-6 7-6 6-2 |
| 1976 | Sydney-2 | Grass | R32 | Chris Kachel | 6-3 6-3 |
| 1976 | Cincinnati | Clay | R64 | Brian Teacher | 3-6 6-1 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.