| 80 (-87 to -45) Bolivia 2(2) - 1(1) Ecuador (-69 to -111) 80: 21AUG1938 |
| 80 (-140 to -87) Bolivia 2.5(2) - 1(1) Colombia (-26 to -62) 54: 15AUG1938 |
| 80 (-130 to -140) Bolivia 0.5(0) - 3(3) Peru (207 to 218) 90: 12AUG1938 |
| 80 (-184 to -130) Bolivia 3.5(3) - 1(1) Venezuela (-55 to -92) 54: 10AUG1938 |
| 80 (-205 to -184) Bolivia 1(1) - 1(1) Ecuador (0 to -21) 80: 07AUG1938 |