By surface
| Surface | Roy Barth | Mark Simmons |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-06-01 | ATP | Manchester | Round of 64 | Grass | Roy Barth | 6-3 | 6-2 |
| Surface | Roy Barth | Mark Simmons |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-06-01 | ATP | Manchester | Round of 64 | Grass | Roy Barth | 6-3 | 6-2 |