Head to head
0
Hard
2
0
Clay
1
1
Grass
0
1
Carpet
1
Ken Rosewall's wins on the left · Raul Ramirez's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1978 | Las Vegas-2 | Hard | R16 | Raul Ramirez | 6-4 6-1 |
| 1978 | Philadelphia WCT | Carpet | R16 | Raul Ramirez | 6-4 6-2 |
| 1976 | Jackson WCT | Carpet | F | Ken Rosewall | 6-3 6-3 |
| 1975 | Tokyo-2 | Clay | SF | Raul Ramirez | 6-4 1-6 6-3 |
| 1974 | Johannesburg-2 | Hard | QF | Raul Ramirez | 6-4 6-4 |
| 1974 | US Open | Grass | R16 | Ken Rosewall | 6-1 6-7 7-5 6-3 |
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.