Head to head
2
Hard
0
0
Clay
1
Mark Knowles's wins on the left · Marcelo Filippini's on the right · bar lengths share one scale
All meetings (3)
| 1996 | US Open | Hard | R128 | Mark Knowles | 6-3 7-5 6-1 |
| 1994 | Davis Cup G1 QF: URU vs BAH | Clay | RR | Marcelo Filippini | 6-1 6-0 6-3 |
| 1993 | Davis Cup G1 SF: BAH vs URU | Hard | RR | Mark Knowles | 7-6(5) 2-6 6-2 0-6 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.