Iran has defeated the United States in the 2009 FIVB Men's Junior Volleyball World Championship underway in Pune, India. The Iranian outfit beat the US 3-2 (25-23, 21-25, 18-25, 25-20, 15-10) in its last match of the second round on Thursday. Iran was positioned in the quarter-finals following three consecutive wins over Belgium, China and Egypt in the first round. It suffered two defeats against Cuba and Brazil in the second round of the event. The 2009 Junior World Championships began on June 31 and ends August 9 in the Indian city of Pune.