Head to head
1
Hard
0
1
Clay
1
1
Grass
0
Chris Kachel's wins on the left · Alvin Gardiner's on the right · bar lengths share one scale
All meetings (4)
| 1979 | Newport | Grass | R32 | Chris Kachel | 7-6 6-3 |
| 1979 | Hobart | Hard | R32 | Chris Kachel | 7-5 6-4 |
| 1976 | Bangalore | Clay | R32 | Alvin Gardiner | 6-4 6-1 |
| 1976 | Rome-2 | Clay | R64 | Chris Kachel | 6-0 3-0 RET |
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.