Head to head
Rivalry summary
Byron Black and Marcos Ondruska met 1 times on the ATP tour between 1997 and 1997. Byron Black leads the head-to-head 1–0 against Marcos Ondruska.
1
Clay
0
Byron Black's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (1)
| 1997 | Coral Springs | Clay | R32 | Byron Black | 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.