Head to head
1
Clay
1
Michael Westphal's wins on the left · Horacio de la Pena's on the right · bar lengths share one scale
All meetings (2)
| 1986 | Monte-Carlo | Clay | R64 | Horacio de la Pena | 6-2 6-3 |
| 1985 | Hamburg | Clay | R32 | Michael Westphal | 5-7 6-3 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.