Head to head
1
Hard
0
0
Carpet
1
Chris Kachel's wins on the left · Sandy Mayer's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Cleveland | Hard | R16 | Chris Kachel | 4-6 7-5 7-5 |
| 1975 | Perth | Carpet | R32 | Sandy Mayer | 7-5 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.