Head to head
Rivalry summary
Allan Stone and Jeff Borowiak met 2 times on the ATP tour between 1970 and 1975. Their head-to-head is level at 1–1.
1
Clay
0
0
Grass
1
Allan Stone's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Wimbledon | Grass | R128 | Jeff Borowiak | 6-3 6-3 6-2 |
| 1970 | Indianapolis | Clay | R64 | Allan Stone | 6-1 6-0 |
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.