Head to head
1
Hard
1
1
Clay
0
1
Carpet
1
John Alexander's wins on the left · Fred Stolle's on the right · bar lengths share one scale
All meetings (5)
| 1973 | Las Vegas | Hard | R32 | Fred Stolle | 7-5 6-4 |
| 1972 | Montreal WCT | Carpet | R32 | John Alexander | 6-2 7-6 |
| 1972 | Toronto WCT | Carpet | R16 | Fred Stolle | 4-6 6-3 6-4 |
| 1971 | Fort Worth WCT | Hard | R32 | John Alexander | 3-6 6-3 6-2 |
| 1971 | Toronto WCT | Clay | R64 | John Alexander | 5-7 7-6 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.