Head to head
0
Clay
2
Hans-Joachim Ploetz's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (2)
| 1976 | Kitzbuhel | Clay | R64 | Jeff Borowiak | 6-4 6-1 |
| 1975 | Gstaad | Clay | R32 | Jeff Borowiak | 8-6 6-3 |
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.