Head to head
1
Clay
1
0
Grass
1
Butch Seewagen's wins on the left · Patricio Cornejo's on the right · bar lengths share one scale
All meetings (3)
| 1971 | Cincinnati | Clay | R32 | Patricio Cornejo | 7-6 6-3 |
| 1971 | Clemmons | Clay | R64 | Butch Seewagen | 6-2 6-2 |
| 1969 | Southampton | Grass | R16 | Patricio Cornejo | 1-6 6-3 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.