Head to head
Rivalry summary
Bill Wallace and Roberto Marcher met 1 times on the ATP tour between 1971 and 1971. Roberto Marcher leads the head-to-head 1–0 against Bill Wallace.
0
Clay
1
Bill Wallace's wins on the left · Roberto Marcher's on the right · bar lengths share one scale
All meetings (1)
| 1971 | St. Petersburg | Clay | R32 | Roberto Marcher | 6-3 6-2 |
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.