Head to head
1
Hard
1
1
Clay
0
Mark Knowles's wins on the left · Nicolas Pereira's on the right · bar lengths share one scale
All meetings (3)
| 1997 | Davis Cup G1 PO: BAH vs VEN | Hard | RR | Nicolas Pereira | 5-7 7-5 6-1 7-5 |
| 1992 | Davis Cup G2 F: VEN vs BAH | Clay | RR | Mark Knowles | 6-2 6-3 6-4 |
| 1991 | Schenectady | Hard | R32 | Mark Knowles | 6-4 7-6(5) |
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.