Head to head
1
Hard
0
0
Grass
1
2
Carpet
0
Bill Scanlon's wins on the left · John Alexander's on the right · bar lengths share one scale
All meetings (4)
| 1983 | Milan | Carpet | R16 | Bill Scanlon | 6-3 6-4 |
| 1983 | Munich WCT | Carpet | R16 | Bill Scanlon | 6-2 7-5 |
| 1979 | Toronto | Hard | R64 | Bill Scanlon | 2-6 6-4 6-2 |
| 1977 | Australian Open-2 | Grass | R16 | John Alexander | 7-6 6-7 6-1 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.