Head to head
2
Clay
0
1
Grass
2
John Alexander's wins on the left · Paul Kronk's on the right · bar lengths share one scale
All meetings (5)
| 1981 | Brisbane | Grass | R16 | John Alexander | 6-1 6-4 |
| 1979 | Sydney-2 | Grass | R64 | Paul Kronk | 7-6 6-1 |
| 1978 | North Conway | Clay | R64 | John Alexander | 6-4 6-1 |
| 1975 | Wimbledon | Grass | R64 | Paul Kronk | 1-6 9-8 9-8 9-8 |
| 1974 | Washington-2 | Clay | R16 | John Alexander | 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.