Head to head
Rivalry summary
Billy Martin and Zan Guerry met 1 times on the ATP tour between 1977 and 1977. Billy Martin leads the head-to-head 1–0 against Zan Guerry.
1
Carpet
0
Billy Martin's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (1)
| 1977 | San Jose | Carpet | R32 | Billy Martin | 6-1 6-1 |
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.