Head to head
1
Hard
0
0
Grass
1
Jay Berger's wins on the left · Ken Flach's on the right · bar lengths share one scale
All meetings (2)
| 1989 | US Open | Hard | R32 | Jay Berger | 6-7 4-6 6-2 6-3 6-4 |
| 1988 | Wimbledon | Grass | R64 | Ken Flach | 7-5 6-1 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.