Head to head
Rivalry summary
Barry MacKay and Roy Barth met 3 times on the ATP tour between 1969 and 1970. Barry MacKay leads the head-to-head 2–1 against Roy Barth. By surface, MacKay leads 2–0 on clay.
2
Clay
0
0
Grass
1
Barry MacKay's wins on the left · Roy Barth's on the right · bar lengths share one scale
All meetings (3)
| 1970 | Washington | Clay | R64 | Barry MacKay | 6-1 6-4 |
| 1970 | Charlotte | Clay | R16 | Barry MacKay | 7-5 6-3 |
| 1969 | Boston-2 | Grass | R64 | Roy Barth | 7-5 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.