Head to head
1
Hard
1
Jay Berger's wins on the left · Michael Robertson's on the right · bar lengths share one scale
All meetings (2)
| 1989 | Johannesburg | Hard | R16 | Michael Robertson | 3-6 6-4 6-1 |
| 1989 | Indianapolis | Hard | R32 | Jay Berger | 6-3 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.