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Summary Juan Martin del Potro beat Tomas Berdych 6-3, 6-1 to reach Rotterdam Open final.
Third-seeded Juan Martin del Potro advanced to the ABN Amro World Tennis final with a 6-3, 6-1 victory over second-seeded Tomas Berdych Saturday.Del Potro broke his Czech opponent in the opening game before earning another break at 5-3 to claim the first set.The second was a one-sided affair as the Argentine took a 5-0 lead, then surrendered a game but completed the rout on an ace, his ninth of the contest.Del Potro, who is making his first Rotterdam appearance, will play either Roger Federer or Nikolay Davydenko, who were playing later Saturday.
