Davis Cup WG PO: SUI vs PAR 1989
Players
| Player | Country | Reached | |
|---|---|---|---|
| CM | Claudio Mezzadri | SUI | Round Robin |
 |
Jakob Hlasek | SUI | Round Robin |
| HC | Hugo Chapacu | PAR | Round Robin |
| RA | Ruben Alvarenga | PAR | Round Robin |
Other matches
| Round | Winner | Loser | Score |
|---|---|---|---|
| RR | Claudio Mezzadri | Ruben Alvarenga | 6-2 6-2 6-1 |
| RR | Jakob Hlasek | Hugo Chapacu | 7-6(8) 6-1 6-3 |
| RR | Claudio Mezzadri | Hugo Chapacu | 7-6(3) 7-5 |
| RR | Jakob Hlasek | Ruben Alvarenga | 6-2 6-2 |