Davis Cup G1 SF: SUI vs ROU 1989
Players
| Player | Country | Reached | |
|---|---|---|---|
| CM | Claudio Mezzadri | SUI | Round Robin |
 |
Jakob Hlasek | SUI | Round Robin |
| AM | Adrian Marcu | ROU | Round Robin |
| GC | George Cosac | ROU | Round Robin |
Other matches
| Round | Winner | Loser | Score |
|---|---|---|---|
| RR | Claudio Mezzadri | Adrian Marcu | 4-6 6-1 6-4 6-4 |
| RR | Jakob Hlasek | George Cosac | 6-1 1-6 7-5 6-3 |
| RR | Jakob Hlasek | Adrian Marcu | 7-6(4) 4-6 6-4 6-4 |
| RR | Claudio Mezzadri | George Cosac | 7-6(5) 6-1 |