Head to head
2
Hard
1
2
Clay
0
1
Grass
0
0
Carpet
1
Raul Ramirez's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1982 | Las Vegas | Hard | R16 | Raul Ramirez | 6-4 6-1 |
| 1979 | Washington-1 | Carpet | R32 | Jeff Borowiak | 6-1 3-6 6-4 |
| 1977 | Columbus | Clay | QF | Raul Ramirez | 7-6 6-3 |
| 1977 | Roland Garros | Clay | R64 | Raul Ramirez | 6-3 6-3 6-2 |
| 1977 | Las Vegas | Hard | R32 | Raul Ramirez | 6-4 6-1 |
| 1975 | Wimbledon | Grass | R64 | Raul Ramirez | 1-6 9-8 9-7 6-3 |
| 1971 | Los Angeles | Hard | R64 | Jeff Borowiak | 4-6 7-6 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.