Updated

United States captain Tony Azevedo paced an early attack and kept his men's team unbeaten so far in Group B play with a 13-7 win over Great Britain.

Azevedo scored three of his four goals Thursday in the game's first four minutes as the U.S. built a 7-0 edge at one point. Ryan Bailey added three goals.

The United States improved to 3-0, keeping it the lone unbeaten team in Group B play. Serbia is second at 2-0-1 following Thursday's tie with Montenegro.

Rob Parker scored three times and Ciaran James had two for the Brits, who have been outscored by 29 goals while going winless so far.

Serbia received five goals from Andrija Prlainovic, but Montenegro got three from Aleksandar Ivovic and another two by Mladan Janovic to match the fellow medal contender.

Serbia will play the U.S. on Saturday, while Montenegro, which is 1-1-1, draws Romania.

Hungary handed Romania a 17-15 defeat on Thursday. The defending Olympic gold medalist, Hungary had lost its first two games of the pool play.

Croatia won for the third time in as many games in London, knocking off Italy to stay atop Group A.

Spain, playing for the first time since a referee ruled that Ivan Perez's shot in the final seconds of a loss versus Croatia did not cross the line in time, rebounded for a 13-9 win over Australia, while Greece rolled past Kazakhstan 11-4.