Head to head
1
Clay
1
0
Carpet
2
Jiri Hrebec's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Memphis | Carpet | R64 | Jeff Borowiak | 6-2 6-1 |
| 1974 | Boston | Clay | R64 | Jeff Borowiak | 7-5 6-4 |
| 1974 | New Orleans WCT | Carpet | SF | Jeff Borowiak | 4-6 7-6 6-4 |
| 1973 | Rome | Clay | R128 | Jiri Hrebec | 6-4 4-6 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.