Davis Cup · 1978-09-15 · draw of 4
Davis Cup EUR PR: SUI vs IRI 1978
Round robin
| 🇮🇷 Moharram-Ali Khodai | d. | 🇨🇭 Serge Gramegna | 6-2 6-1 6-4 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇮🇷 Mansour Bahrami | 6-2 3-6 6-2 12-14 11-9 | H2H |
| 🇮🇷 Mansour Bahrami | d. | 🇨🇭 Serge Gramegna | 4-6 3-6 6-4 6-4 6-2 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇮🇷 Moharram-Ali Khodai | 6-4 6-2 1-6 6-4 | H2H |