Head to head
1
Hard
1
1
Grass
1
2
Carpet
1
Ken Rosewall's wins on the left · Robert Lutz's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1975 | Sydney-1 | Hard | R16 | Robert Lutz | 5-7 6-3 7-6 |
| 1974 | US Open | Grass | R64 | Ken Rosewall | 7-6 6-3 6-3 |
| 1972 | Tokyo WCT | Hard | QF | Ken Rosewall | 6-1 6-3 |
| 1972 | WCT Finals | Carpet | QF | Ken Rosewall | 6-1 3-6 6-3 4-6 6-1 |
| 1972 | Chicago WCT | Carpet | 3rd/4th | Ken Rosewall | 6-4 6-4 |
| 1971 | Dallas WCT | Carpet | R16 | Robert Lutz | 7-5 7-6 |
| 1969 | Wimbledon | Grass | R32 | Robert Lutz | 8-6 7-9 6-3 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.