Head to head
0
Clay
1
Enrique Haro's wins on the left · John Picken's on the right · bar lengths share one scale
All meetings (1)
| 1978 | Davis Cup AME PR: MEX vs CAN | Clay | RR | John Picken | 6-1 6-4 6-8 6-4 |
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.