Head to head
Rivalry summary
Will Bull and John Sobel met 1 times on the ATP tour between 1989 and 1989. John Sobel leads the head-to-head 1–0 against Will Bull.
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Clay
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Will Bull's wins on the left · John Sobel's on the right · bar lengths share one scale
All meetings (1)
| 1989 | Boston | Clay | R64 | John Sobel | 6-4 6-7 6-2 |
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.