Head to head
0
Clay
1
George Kalovelonis's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (1)
| 1994 | Athens | Clay | R32 | Marcos Ondruska | 6-2 6-0 |
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.