Head to head
1
Hard
0
0
Clay
1
3
Grass
2
0
Carpet
1
John Alexander's wins on the left · Roger Taylor's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1978 | Queen's Club | Grass | R64 | John Alexander | 2-6 8-6 7-5 |
| 1975 | Nottingham | Grass | R64 | John Alexander | 9-8 7-5 |
| 1973 | US Open | Grass | R64 | John Alexander | 3-6 4-6 6-4 6-3 7-5 |
| 1973 | London / Queen's Club | Grass | R32 | Roger Taylor | 6-4 9-7 |
| 1971 | Los Angeles | Hard | R16 | John Alexander | 7-5 7-5 |
| 1971 | Denver | Carpet | RR | Roger Taylor | 6-3 |
| 1970 | Hilversum | Clay | SF | Roger Taylor | 1-6 3-6 6-3 8-6 8-6 |
| 1969 | Sydney | Grass | R16 | Roger Taylor | 4-6 9-7 6-4 6-4 |
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.