Mezue ahịrịokwu na-esonụ: Mgbe mmerụ ahụ ikpere siri ike mere ka ọ ghara ịnọ n'ogige ahụ n'oge 2005/06, Gro Hammerseng kwughachiri ihe ịga nke ọma ya na 2004 na 2006 European Championship na Sweden. O nwetara nrite ọla edo ya nke abụọ ma bụrụkwa onye akpọrọ MVP na onye otu All-Star Team nke asọmpi ahụ. Na
2007 World Championship, Norway meriri Russia na egwuregwu ikpeazụ, na-egosi akara ọlaọcha ọlaọcha nke atọ maka Hammerseng. A họpụtara ya n'otu egwuregwu All-Star Team dịka onye na-agba azụ aka ekpe kacha mma.