Head to head
0
Hard
1
1
Clay
0
0
Grass
1
1
Carpet
1
Andrew Pattison's wins on the left · Raul Ramirez's on the right · bar lengths share one scale
All meetings (5)
| 1980 | Surbiton | Grass | R32 | Raul Ramirez | 7-5 7-6 |
| 1979 | Cincinnati | Hard | R64 | Raul Ramirez | 6-3 4-6 6-1 |
| 1977 | San Francisco | Carpet | R32 | Raul Ramirez | 6-4 6-4 |
| 1976 | Philadelphia WCT | Carpet | R64 | Andrew Pattison | 6-3 2-6 6-3 |
| 1973 | Washington-3 | Clay | R64 | Andrew Pattison | 6-2 6-1 |
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.