Head to head
1
Clay
1
Roberto Azar's wins on the left · Peter Ballauff's on the right · bar lengths share one scale
All meetings (2)
| 1989 | Palermo | Clay | R16 | Peter Ballauff | 6-4 6-4 |
| 1989 | Athens | Clay | R32 | Roberto Azar | 2-6 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.