Head to head
1
Hard
0
0
Clay
2
Mark Knowles's wins on the left · Diego Perez's on the right · bar lengths share one scale
All meetings (3)
| 1994 | Davis Cup G1 QF: URU vs BAH | Clay | RR | Diego Perez | 1-6 6-1 6-3 6-7(3) 6-4 |
| 1993 | Davis Cup G1 SF: BAH vs URU | Hard | RR | Mark Knowles | 1-6 7-5 7-5 |
| 1989 | Forest Hills | Clay | R64 | Diego Perez | 6-1 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.