Head to head
1
Hard
0
3
Carpet
1
Raul Ramirez's wins on the left · Mike Estep's on the right · bar lengths share one scale
All meetings (5)
| 1982 | Cincinnati | Hard | R64 | Raul Ramirez | 6-3 6-0 |
| 1975 | Los Angeles | Carpet | R32 | Raul Ramirez | 6-3 6-0 |
| 1975 | St. Petersburg WCT | Carpet | R16 | Raul Ramirez | 6-2 6-1 |
| 1974 | San Francisco | Carpet | R64 | Mike Estep | 6-2 6-2 |
| 1974 | Philadelphia WCT | Carpet | R64 | Raul Ramirez | 6-1 7-6(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.