Head to head
1
Clay
0
1
Grass
0
Jeff Borowiak's wins on the left · Ulrich Pinner's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Gstaad | Clay | R16 | Jeff Borowiak | 6-2 7-5 |
| 1974 | Wimbledon | Grass | R128 | Jeff Borowiak | 6-3 6-3 9-8 |
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.