Head to head
Rivalry summary
Robert Lutz and Clark Graebner met 6 times on the ATP tour between 1968 and 1970. Clark Graebner leads the head-to-head 5–1 against Robert Lutz. By surface, Graebner leads 3–0 on hard; Graebner leads 2–1 on grass. They contested 1 finals, with Lutz winning 0 of them.
0
Hard
3
1
Grass
2
Robert Lutz's wins on the left · Clark Graebner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1971 | Wembley | Carpet | R32 | Clark Graebner | W/O |
| 1970 | Kansas City | Hard | SF | Clark Graebner | 2-6 7-6 6-3 |
| 1969 | Southampton | Grass | F | Clark Graebner | 6-2 6-2 6-4 |
| 1969 | South Orange | Grass | SF | Clark Graebner | 6-3 7-5 |
| 1968 | Boston-2 | Grass | SF | Robert Lutz | 6-4 7-5 6-4 |
| 1968 | Sacramento | Hard | QF | Clark Graebner | 6-4 7-5 |
| 1968 | Salisbury | Hard | QF | Clark Graebner | 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.