Head to head
1
Clay
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Paul Gerken's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (2)
| 1974 | Washington-2 | Clay | R64 | Paul Gerken | 6-4 6-3 |
| 1970 | Cincinnati | Clay | R32 | Jeff Borowiak | 7-9 8-6 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.