Davis Cup WG QF: AUS vs KAZ 1971 ATP
Round robin
| Winner | Loser | Score | |
|---|---|---|---|
| Thomaz Koch | d. | Patricio Cornejo | 4-6 6-2 5-7 8-6 6-2 |
| Patricio Cornejo | d. | Jose Edison Mandarino | 4-6 1-6 6-0 6-3 6-4 |
| Winner | Loser | Score | |
|---|---|---|---|
| Thomaz Koch | d. | Patricio Cornejo | 4-6 6-2 5-7 8-6 6-2 |
| Patricio Cornejo | d. | Jose Edison Mandarino | 4-6 1-6 6-0 6-3 6-4 |