Head to head
0
Hard
1
1
Clay
3
Carlos Costa's wins on the left · Guillermo Perez-Roldan's on the right · bar lengths share one scale
All meetings (5)
| 1992 | Monte Carlo Masters | Clay | R64 | Carlos Costa | 3-1 RET |
| 1991 | Buzios | Hard | R16 | Guillermo Perez-Roldan | 6-4 6-7(5) 6-1 |
| 1991 | San Marino | Clay | QF | Guillermo Perez-Roldan | 5-7 6-2 6-1 |
| 1991 | Stuttgart Outdoor | Clay | R32 | Guillermo Perez-Roldan | 6-3 6-2 |
| 1990 | Athens | Clay | R32 | Guillermo Perez-Roldan | 7-6 6-7 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.