Head to head
1
Hard
0
1
Clay
0
Robert Lutz's wins on the left · Paul Gerken's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Columbus | Clay | R32 | Robert Lutz | 7-6 6-7 6-3 |
| 1974 | Tucson | Hard | R32 | Robert Lutz | 6-4 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.