Head to head
Rivalry summary
Marcelo Filippini and Alex O'Brien met 2 times on the ATP tour between 1997 and 1997. Marcelo Filippini leads the head-to-head 2–0 against Alex O'Brien.
1
Hard
0
1
Clay
0
Marcelo Filippini's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (2)
| 1997 | US Open | Hard | R128 | Marcelo Filippini | 6-2 6-4 6-4 |
| 1997 | Atlanta | Clay | R16 | Marcelo Filippini | 7-6(6) 6-4 |
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.