Sekera played at the 2009 World Championship and led the team with a plus-three rating in six games. He was named one of the team’s three best players selected by Slovak coaches. Six of his Olympic teammates also played on this World Championship team that placed 10th.
Sekera captained Slovakia at the 2006 World Junior Championship in Vancouver. He scored two goals and added three assists in six games and his plus-three rating was tied with two players for the team lead.
He played in the Ontario Hockey League (OHL) from 2004-2006 where he was a plus-15 through 51 games in the 2006 season and was named the Max Kaminsky Trophy recipient as the league's Most Outstanding Defenseman.
I think everybody wanted the puck tonight. Everybody wanted to be part of the solution and it reflected on the way we played. It's tiring when you have to chase the puck but tonight was one of those nights where everyone really wanted to make a play and wanted to have an impact on the game.
— Rangers forward Martin St. Louis after a 2-0 win against the Flyers