| Date | R | Local vs Visitante | - |
|---|---|---|---|
| 12/20 15:00 | - | Serbia sub-20 vs Grecia sub-20 | 4-6 |
| 12/20 13:30 | - | Italia sub-20 vs Croacia sub-20 | 9-6 |
| 12/20 12:00 | - | Montenegro sub-20 vs España sub-20 | 7-14 |
| 12/20 10:30 | - | Japón sub-20 vs EE. UU. sub-20 | 14-19 |
| 12/19 17:00 | - | Croacia sub-20 vs Grecia sub-20 | 5-15 |
| 12/19 15:40 | - | Serbia sub-20 vs Italia sub-20 | 9-7 |
| 12/19 14:20 | - | España sub-20 vs EE. UU. sub-20 | 7-7 |
| 12/19 13:00 | - | Montenegro sub-20 vs Japón sub-20 | 16-11 |
| 12/19 10:19 | - | Hungría sub-20 vs Canadá sub-20 | 15-6 |
| 12/19 08:59 | - | Nueva Zelanda sub-20 vs Australia sub-20 | 8-9 |
| 12/19 08:22 | - | Rusia sub-20 vs Sudáfrica sub-20 | 19-9 |
| 12/19 06:20 | - | China sub-20 vs Egipto sub-20 | 9-14 |
FINA Junior Water Polo World Championships is an international water polo tournament held every two years for the players under the age of 20. It was launched by FINA in 1981 for men and in 1995 for women .
The 2009 championships were played with U18 teams each, but in 2011 the FINA switched to U20 teams again.