Head to head
1
Clay
0
1
Grass
0
Jeff Borowiak's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Indianapolis | Clay | R16 | Jeff Borowiak | 5-7 6-3 6-4 |
| 1971 | US Open | Grass | R128 | Jeff Borowiak | 6-3 3-6 6-1 7-5 |
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.