Head to head
1
Clay
1
0
Carpet
1
Renzo Furlan's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (3)
| 1997 | Singapore | Carpet | R32 | Marcos Ondruska | 6-3 7-6(4) |
| 1996 | Davis Cup WG QF: ITA vs RSA | Clay | RR | Marcos Ondruska | 6-4 6-4 6-4 |
| 1995 | Roland Garros | Clay | R128 | Renzo Furlan | 6-4 4-6 6-2 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.