Head to head
2
Hard
1
Michael Chang's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (3)
| 1996 | Hong Kong | Hard | R32 | Michael Chang | 7-6(5) 6-1 |
| 1996 | San Jose | Hard | R16 | Michael Chang | 4-6 6-1 6-4 |
| 1993 | Miami Masters | Hard | R64 | Marcos Ondruska | 7-5 6-1 |
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.