Head to head
2
Hard
0
Robert Lutz's wins on the left · John Cooper's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Berkeley WCT | Hard | R64 | Robert Lutz | 6-2 6-1 |
| 1971 | Los Angeles | Hard | R16 | Robert Lutz | 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.