Head to head
1
Clay
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Jean-Louis Haillet's wins on the left · Juan Herrera's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Murcia | Clay | R32 | Jean-Louis Haillet | 6-3 7-6 |
| 1973 | Madrid-1 | Clay | R64 | Juan Herrera | 6-2 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.