Head to head
1
Hard
1
2
Clay
0
0
Carpet
2
John Alexander'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)
| 1980 | Frankfurt WCT | Carpet | R16 | Raul Ramirez | 6-4 6-3 |
| 1979 | Nations Cup | Clay | RR | John Alexander | 6-3 1-6 7-6 |
| 1978 | US Open | Hard | R128 | Raul Ramirez | 3-6 7-6 6-3 |
| 1976 | Palm Springs | Hard | R16 | John Alexander | 6-2 6-3 |
| 1976 | St. Louis WCT | Carpet | QF | Raul Ramirez | 7-6(4) 7-6(5) |
| 1974 | Louisville | Clay | R16 | John Alexander | 6-7 6-4 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.