Head to head
0
Hard
1
1
Clay
2
Paul Haarhuis's wins on the left · Carlos Costa's on the right · bar lengths share one scale
All meetings (4)
| 1995 | Barcelona | Clay | R32 | Carlos Costa | 6-3 6-2 |
| 1993 | Schenectady | Hard | R16 | Carlos Costa | 6-2 7-5 |
| 1993 | Davis Cup WG R1: ESP vs NED | Clay | RR | Paul Haarhuis | 3-6 4-6 6-3 7-6(6) 6-3 |
| 1992 | Hamburg Masters | Clay | QF | Carlos Costa | 4-6 6-4 6-3 |
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.