Head to head
0
Hard
1
1
Clay
1
Wally Masur's wins on the left · Jaime Yzaga's on the right · bar lengths share one scale
All meetings (3)
| 1993 | Sydney Indoor | Hard | R16 | Jaime Yzaga | 6-1 6-4 |
| 1990 | Hilversum | Clay | R32 | Wally Masur | 7-6 4-6 6-2 |
| 1989 | Davis Cup WG PO: PER vs AUS | Clay | RR | Jaime Yzaga | 6-4 2-6 6-4 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.