Head to head
1
Clay
1
Mike Estep's wins on the left · Frank Froehling's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Clemmons | Clay | R64 | Frank Froehling | 6-3 6-4 |
| 1970 | Washington | Clay | R32 | Mike Estep | 6-2 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.