Head to head
Rivalry summary
Clark Graebner and Zan Guerry met 1 times on the ATP tour between 1969 and 1969. Clark Graebner leads the head-to-head 1–0 against Zan Guerry.
1
Grass
0
Clark Graebner's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Boston-2 | Grass | R64 | 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.