By surface
| Surface | Heinz Gunthardt | Mansour Bahrami |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-09-15 | ATP | Davis Cup EUR PR: SUI vs IRI | Round Robin | — | Heinz Gunthardt | 6-2 | 3-6 | 6-2 | 12-14 | 11-9 |
| Surface | Heinz Gunthardt | Mansour Bahrami |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-09-15 | ATP | Davis Cup EUR PR: SUI vs IRI | Round Robin | — | Heinz Gunthardt | 6-2 | 3-6 | 6-2 | 12-14 | 11-9 |