Head to head
Rivalry summary
Jeff Borowiak and Geoff Masters met 3 times on the ATP tour between 1975 and 1975. Geoff Masters leads the head-to-head 2–1 against Jeff Borowiak. By surface, they are level 1–1 on carpet.
0
Hard
1
1
Carpet
1
Jeff Borowiak's wins on the left · Geoff Masters's on the right · bar lengths share one scale
All meetings (3)
| 1975 | Sao Paulo WCT | Carpet | R32 | Jeff Borowiak | 6-3 6-2 |
| 1975 | Carlsbad WCT | Hard | R16 | Geoff Masters | 2-6 7-5 6-3 |
| 1975 | St. Petersburg WCT | Carpet | R16 | Geoff Masters | 6-1 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.