sentences:  Shakib first represented Bangladesh at the U-19 level, debuting in August 2006 against Zimbabwe at Harare Sports Club.He played an important part in Bangladesh's victory, where he scored 30 runs and bowled out Elton Chigumbura to get his first ODI wicket.In 2005, during the final of a tri-nation tournament involving England and Sri Lanka's Under-19 teams, Shakib scored an 86-ball century and took three wickets to lead his team to victory.