Klizan defeated Albert Montanes 6-2, 6-3 without dropping serve. He won more than 70 percent of the points on serve while taking half of the points when Montanes served. Klizan ended up with a pair of breaks in each set.
He moves into the second round against Roberto Bautista Agut, who was a 6-3, 7-6 (7-4) winner in his first-round match.
Berrer draws No. 3-seeded Jeremy Chardy, who had a first-round bye, in the second round.
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