Head to head
1
Hard
1
0
Clay
3
Jeff Borowiak's wins on the left · Manuel Orantes's on the right · bar lengths share one scale
All meetings (5)
| 1979 | Hamburg | Clay | R64 | Manuel Orantes | 7-6 6-1 |
| 1978 | Indianapolis | Clay | QF | Manuel Orantes | 6-2 6-1 |
| 1976 | Kitzbuhel | Clay | QF | Manuel Orantes | 6-2 6-1 |
| 1974 | Stockholm | Hard | R32 | Manuel Orantes | 7-6 6-2 |
| 1968 | Salisbury | Hard | R64 | Jeff Borowiak | 13-11 3-6 1-0 RET |
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.