Head to head
1
Clay
0
0
Grass
1
Bjorn Borg's wins on the left · John James's on the right · bar lengths share one scale
All meetings (2)
| 1977 | US Open | Clay | R64 | Bjorn Borg | 7-5 6-4 |
| 1974 | Sydney-3 | Grass | R32 | John James | 6-4 6-3 |
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.