By surface
| Surface | John Newcombe | Barry Mackay |
|---|---|---|
| Grass | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-08-12 | ATP | Newport WCT | Round Robin | Grass | Barry Mackay | 20-21 | 21-20 | 19-21 |
| Surface | John Newcombe | Barry Mackay |
|---|---|---|
| Grass | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-08-12 | ATP | Newport WCT | Round Robin | Grass | Barry Mackay | 20-21 | 21-20 | 19-21 |