| Round Robin | w | l | gf | ga | points | ratio | | 1. Brazil | 4 | 0 | 12: | 2 | 200/119 | 1.681 | | 2. Uruguay | 3 | 1 | 10: | 3 | 95/84 | 1.131-2 | | 3. Paraguay | 2 | 2 | 7: | 6 | 140/112 | 1.250-1 | | 4. Peru | 1 | 3 | 3: | 9 | 34/90 | 0.378-2 | | 5. Chile | 0 | 4 | 0: | 12 | 71/135 | 0.526-1 |
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| All matches played at Estadio de Bohemios. |
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| Team | Braz | Urug | Para | Peru | Chil | | Brazil | --- | 3:1 | 3:1 | 3:0 | 3:0 | | Uruguay | | --- | 3:- | 3:- | 3:0 | | Paraguay | | | --- | 3:0 | 3:0 | | Peru | | | | --- | 3:- | | Chile | | | | | --- |
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| date | team 1 | score | team 2 | points | set 1 | set 2 | set 3 | set 4 | set 5 | | 21.04.56 |  Brazil | 3-0 |  Chile | 45-11 | 15-8 | 15-1 | 15-2 | | | 22.04.56 |  Uruguay | 3-- |  Paraguay | | | 22.04.56 | Brazil | 3-0 |  Peru | 45-8 | 15-2 | 15-3 | 15-3 | | | Rest Day 23.04 | | 24.04.56 | Brazil | 3-1 | Paraguay | 55-50 | 15-11 | 10-15 | 15-13 | 15-11 | | | | 24.04.56 | Uruguay | 3-- | Peru | | | Rest Day 25.04 | | 26.04.56 | Paraguay | 3-0 | Peru | 45-26 | 15-9 | 15-13 | 15-4 | | | 26.04.56 | Uruguay | 3-0 | Chile | 45-29 | 15-6 | 15-12 | 15-11 | | | Rest Day 27.04 | | 28.04.56 | Peru | 3-- | Chile | | | 29.04.56 | Paraguay | 3-0 | Chile | 45-31 | 15-6 | 15-13 | 15-12 | | | 29.04.56 | Brazil | 3-1 | Uruguay | 55-50 | 15-11 | 10-15 | 15-13 | 15-11 | |
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| 1. Brazil | | Jorge Melo | | Lucio da Cunha | | Joel Ramalho | | Jose Atila Goncalves | | Joao da Costa | | Urbano Balchado | | Nelson Barrels | | Alexandre Paranhos | | Mauricio Tavares | | Alvaro Caira |
| 2. Uruguay | | Arsenio Muniz | | Nicolas Acevedo | | Luis Bernardes | | Prospero Cornegia | | Juan de Amicis | | Carlos Souto | | Walter Perez | | Hugo Santos | | Ruben Palladino | | Carlos Nogueira |
| 5. Peru | | Carlos Abanto | | Miroslav Ronald | | Luis Davila | | Vladimir Litochleb | | Humberto Ordonez | | Guillermo Cifuentes | | Augusto Gimenez |
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