Head to head
0
Hard
1
3
Clay
3
Andrea Gaudenzi's wins on the left · Marcelo Rios's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2001 | St. Poelten | Clay | R32 | Andrea Gaudenzi | 5-7 6-1 6-4 |
| 1998 | St. Poelten | Clay | SF | Marcelo Rios | 6-4 6-3 |
| 1997 | St. Poelten | Clay | R32 | Marcelo Rios | 6-4 4-6 6-4 |
| 1997 | Monte Carlo Masters | Clay | R32 | Marcelo Rios | 6-2 6-2 |
| 1995 | Indian Wells Masters | Hard | R32 | Marcelo Rios | 6-3 6-0 |
| 1994 | Gstaad | Clay | QF | Andrea Gaudenzi | 6-4 3-6 6-3 |
| 1994 | Barcelona | Clay | R16 | Andrea Gaudenzi | 6-1 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.