Davis Cup WG SF: BEL vs ARG 1970 ATP
Round robin
| Winner | Loser | Score | |
|---|---|---|---|
| Manuel Orantes | d. | Thomaz Koch | 6-1 6-3 3-6 6-1 |
| Manuel Santana | d. | Jose Edison Mandarino | 3-6 6-3 2-6 6-0 6-4 |
| Manuel Orantes | d. | Jose Edison Mandarino | 3-6 6-1 6-3 6-3 |
| Thomaz Koch | d. | Manuel Santana | 7-5 10-8 4-6 RET |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0