Note: Single-source report; awaiting corroboration.

The U16 Water Polo Championships semifinalists are confirmed as Spain, USA, Croatia, and Serbia advance after the quarterfinals and classification matches. In a tightly contested quarterfinal, Spain edged out Italy in a penalty shootout after a 13-13 draw in regulation. The shootout ended 4-1 for Spain, with Adri Lopez and Unai Arrate each scoring three goals in the match. Italy’s attack was led by Francesco Putrino with four goals, but Spain’s goalkeeper Alex Vilar stood out with nine crucial saves over three quarters. Both teams traded goals throughout, setting the stage for Spain's dramatic shootout victory.

In another quarterfinal, the USA came back strongly in the final quarter to overcome Russia. Croatia held a commanding 7-1 halftime lead over Egypt and secured their semifinal place, while Serbia maintained dominance against Egypt, never trailing in any quarter.

In the classification matches for places 9-16, Greece defeated Romania 11-7, Hungary edged Germany 13-11, Turkey rallied with a strong final quarter to beat Australia 5-4, and Malta fended off New Zealand to win 15-12.