Head to head
1
Hard
0
1
Clay
0
Marko Ostoja's wins on the left · Per Hjertquist's on the right · bar lengths share one scale
All meetings (2)
| 1981 | Basel | Hard | R32 | Marko Ostoja | 7-6 6-2 |
| 1981 | Brussels-2 | Clay | QF | Marko Ostoja | 7-6 6-4 |
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.