Head to head
1
Hard
0
0
Clay
2
Marcos Ondruska's wins on the left · Alberto Berasategui's on the right · bar lengths share one scale
All meetings (3)
| 1995 | Valencia | Clay | R16 | Alberto Berasategui | 6-4 7-6(3) |
| 1994 | Athens | Clay | QF | Alberto Berasategui | 7-5 4-6 6-4 |
| 1994 | US Open | Hard | R128 | Marcos Ondruska | 6-1 2-6 6-3 6-3 |
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.