Head to head
1
Hard
0
0
Grass
1
Ron Holmberg's wins on the left · Roy Barth's on the right · bar lengths share one scale
All meetings (2)
| 1969 | US Open | Grass | R64 | Roy Barth | 7-5 6-3 6-3 |
| 1969 | Salisbury | Hard | R32 | Ron Holmberg | 6-0 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.