Head to head
1
Hard
0
1
Clay
0
2
Carpet
0
Karl Meiler's wins on the left · John Yuill's on the right · bar lengths share one scale
All meetings (4)
| 1976 | Louisville | Clay | R32 | Karl Meiler | 6-3 7-6 |
| 1975 | Johannesburg-2 | Hard | R16 | Karl Meiler | 6-0 6-3 |
| 1975 | Hampton | Carpet | R32 | Karl Meiler | 6-1 6-0 |
| 1975 | Roanoke | Carpet | R16 | Karl Meiler | 2-6 6-4 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.