Head to head
1
Hard
1
1
Clay
0
0
Grass
1
0
Carpet
1
Karl Meiler's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
All meetings (5)
| 1977 | Hong Kong | Hard | R16 | Karl Meiler | 4-6 6-3 7-6 |
| 1977 | Palm Springs | Hard | R32 | Roscoe Tanner | 6-3 6-2 |
| 1976 | Wembley | Carpet | R32 | Roscoe Tanner | 6-2 6-7 6-4 |
| 1975 | US Open | Clay | R32 | Karl Meiler | 6-7 6-4 6-4 |
| 1974 | Wimbledon | Grass | R64 | Roscoe Tanner | 8-6 6-4 8-6 |
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.