Head to head
2
Hard
2
2
Clay
4
2
Grass
0
0
Carpet
3
John Alexander's wins on the left · Ken Rosewall's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (15)
| 1978 | Brisbane | Grass | SF | John Alexander | 6-1 6-1 |
| 1978 | Richmond WCT | Carpet | R32 | Ken Rosewall | 3-6 6-0 6-3 |
| 1977 | Australian Open-2 | Grass | QF | John Alexander | 7-6 7-6 4-6 6-1 |
| 1977 | WCT Challenge Cup | Carpet | RR | Ken Rosewall | 5-6 6-4 6-4 |
| 1977 | Las Vegas | Hard | R16 | John Alexander | 3-6 7-5 6-3 |
| 1977 | Charlotte WCT | Clay | R16 | John Alexander | 1-6 6-2 6-1 |
| 1976 | WCT Challenge Cup | Hard | RR | Ken Rosewall | 3-6 7-5 7-6 7-6 |
| 1975 | North Conway | Clay | QF | Ken Rosewall | 6-0 6-3 |
| 1975 | Houston WCT | Clay | QF | Ken Rosewall | 6-1 7-5 |
| 1974 | Tucson | Hard | R64 | Ken Rosewall | 6-4 6-7 6-3 |
| 1972 | Alamo WCT | Hard | R16 | John Alexander | 1-6 6-1 6-4 |
| 1972 | Charlotte WCT | Clay | SF | Ken Rosewall | 6-4 6-3 |
| 1971 | Louisville WCT | Clay | R16 | John Alexander | 7-5 7-5 |
| 1971 | Washington WCT | Clay | R32 | Ken Rosewall | 4-6 6-1 6-1 |
| 1971 | Denver | Carpet | RR | Ken Rosewall | 6-3 |
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.