Head to head
Rivalry summary
Mike Estep and Zan Guerry met 2 times on the ATP tour between 1972 and 1976. Their head-to-head is level at 1–1.
1
Hard
0
0
Clay
1
Mike Estep's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (2)
| 1976 | Vienna | Hard | R32 | Mike Estep | 6-1 6-4 |
| 1972 | Cincinnati | Clay | R32 | Zan Guerry | 6-4 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.