Head to head
Rivalry summary
Jeff Borowiak and Sandy Mayer met 2 times on the ATP tour between 1977 and 1982. Their head-to-head is level at 1–1. By surface, they are level 1–1 on carpet.
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Carpet
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Jeff Borowiak's wins on the left · Sandy Mayer's on the right · bar lengths share one scale
All meetings (2)
| 1982 | San Francisco | Carpet | R16 | Sandy Mayer | 7-5 4-6 7-6 |
| 1977 | Los Angeles-1 | Carpet | R16 | Jeff Borowiak | 4-6 6-4 6-4 |
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.