Head to head
0
Hard
1
3
Clay
0
Jeff Borowiak's wins on the left · John Alexander's on the right · bar lengths share one scale
All meetings (4)
| 1978 | Toronto | Clay | R32 | Jeff Borowiak | 5-7 6-4 7-5 |
| 1977 | Toronto-2 | Clay | SF | Jeff Borowiak | 6-4 3-6 7-6 |
| 1973 | Boston | Hard | R32 | John Alexander | 6-4 6-7(5) 6-4 |
| 1971 | Gstaad | Clay | R16 | Jeff Borowiak | 4-6 6-3 8-6 |
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.