Head to head
1
Clay
2
1
Carpet
0
Roscoe Tanner's wins on the left · Patricio Cornejo's on the right · bar lengths share one scale
All meetings (4)
| 1978 | Louisville | Clay | R32 | Patricio Cornejo | 6-4 6-3 |
| 1977 | Boston | Clay | R16 | Patricio Cornejo | 5-7 6-1 6-4 |
| 1976 | Columbus-2 | Clay | QF | Roscoe Tanner | 6-2 6-0 |
| 1975 | Sao Paulo WCT | Carpet | R16 | Roscoe Tanner | 7-5 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.