Head to head
1
Hard
0
1
Grass
0
Jeff Borowiak's wins on the left · Henry (Hank) Irvine's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Los Angeles | Hard | R32 | Jeff Borowiak | 7-6 6-1 |
| 1971 | Haverford | Grass | R32 | Jeff Borowiak | 6-3 6-4 |
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.