Head to head
0
Hard
1
0
Clay
1
0
Grass
1
1
Carpet
0
Jim McManus's wins on the left · John Alexander's on the right · bar lengths share one scale
All meetings (4)
| 1972 | Los Angeles-2 | Hard | R32 | John Alexander | 7-6 6-3 |
| 1971 | US Open | Grass | R128 | John Alexander | 6-3 6-4 3-6 6-4 |
| 1971 | Washington WCT | Clay | R64 | John Alexander | 6-3 6-3 |
| 1969 | Dallas | Carpet | R16 | Jim McManus | 6-0 6-0 |
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.