Head to head
1
Hard
0
2
Clay
0
1
Grass
0
Raul Ramirez's wins on the left · Jim Delaney's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Toronto-2 | Clay | R32 | Raul Ramirez | 3-6 7-5 6-4 |
| 1977 | Queen's Club | Grass | QF | Raul Ramirez | 3-6 6-1 6-2 |
| 1976 | Louisville | Clay | R32 | Raul Ramirez | 6-1 4-6 7-6 |
| 1974 | Columbus | Hard | R16 | Raul Ramirez | 6-3 3-6 7-5 |
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.