Head to head
2
Hard
0
1
Clay
0
1
Carpet
0
Ken Rosewall's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (4)
| 1976 | Las Vegas | Hard | R16 | Ken Rosewall | 6-0 6-4 |
| 1975 | Gstaad | Clay | QF | Ken Rosewall | 7-5 6-4 |
| 1973 | Los Angeles | Hard | R16 | Ken Rosewall | 7-6 6-2 |
| 1972 | Chicago WCT | Carpet | R32 | Ken Rosewall | 6-2 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.