Head to head
Rivalry summary
John James and Brad Guan met 1 times on the ATP tour between 1982 and 1982. John James leads the head-to-head 1–0 against Brad Guan.
1
Grass
0
John James's wins on the left · Brad Guan's on the right · bar lengths share one scale
All meetings (1)
| 1982 | Adelaide | Grass | R16 | John James | 6-4 4-6 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.