Check out all the FIVB U19 World Championship preliminary match results from Thursday and the updated tournament standings.
Pool A matches
United States def. Costa Rica 25-20, 25-16, 25-15
Argentina def. Serbia 25-14, 25-12, 25-22
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Pool B matches
Slovenia def. Japan 25-23, 25-13, 21-25, 25-16
France def. Bulgaria 25-21, 20-25, 25-18, 25-19
Pool C matches
South Korea def. Colombia 25-18, 27-25, 19-25, 25-21
Iran def. Puerto Rico 25-18, 25-15, 25-12
Pool D matches
Belgium def. Chile 25-21, 25-18, 25-22
Italy def. Mexico 25-20, 25-15, 25-21
Pool A standings
| Team | Record | Points |
| 1. Argentina | 2-0 | 6 |
| 2. United States | 1-0 | 3 |
| 3. Egypt | 1-1 | 3 |
| 4. Serbia | 0-2 | 0 |
| 5. Costa Rica | 0-2 | 0 |
Pool B standings
| Team | Record | Points |
| 1.France | 2-0 | 6 |
| 2. Slovenia | 1-1 | 4 |
| 2. Bulgaria | 1-1 | 2 |
| 4. Japan | 0-1 | 0 |
| 5. India | 0-1 | 0 |
Pool C standings
| Team | Record | Points |
| 1.Iran | 3-0 | 9 |
| 2. South Korea | 2-1 | 6 |
| 3. Colombia | 1-1 | 3 |
| 4. Puerto Rico | 1-1 | 3 |
| 5. Nigeria | 0-4 | 0 |
Pool D standings
| Team | Record | Points |
| 1.Italy | 2-0 | 6 |
| 2. Brazil | 1-0 | 3 |
| 3. Belgium | 1-0 | 3 |
| T-4. Mexico | 0-2 | 0 |
| T-4. Chile | 0-2 | 0 |