Head to head
1
Hard
0
1
Clay
0
Alexander Mronz's wins on the left · Derrick Rostagno's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Kiawah Island | Clay | QF | Alexander Mronz | 6-3 6-2 |
| 1989 | Key Biscayne | Hard | R128 | Alexander Mronz | 6-4 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.