| 80 (-94 to -51) Bolivia 2(2) - 1(1) Ecuador (-69 to -112) 80: 21AUG1938 |
| 80 (-147 to -94) Bolivia 2.5(2) - 1(1) Colombia (-26 to -62) 54: 15AUG1938 |
| 80 (-138 to -147) Bolivia 0.5(0) - 3(3) Peru (211 to 222) 90: 12AUG1938 |
| 80 (-193 to -138) Bolivia 3.5(3) - 1(1) Venezuela (-55 to -92) 54: 10AUG1938 |
| 80 (-215 to -193) Bolivia 1(1) - 1(1) Ecuador (0 to -22) 80: 07AUG1938 |