Garbine Muguruza tasted her first defeat as world No. 1 on Saturday, losing to defending champion Caroline Wozniacki in straight sets in the Toray Pan Pacific Open semifinals.Wozniacki, who also won the tournament in 2010, needed only an hour to swiftly dismiss Muguruza 6-2, 6-0 in an unexpectedly one-sided affair at Ariake Colosseum, where the Dane will face Anastasia Pavlyuchenkova in Sunday's final.Earlier, world No. 23 Pavlyuchenkova fended off a major fight back from two-time Grand Slam champion Angelique Kerber to win 6-0, 6-7(4), 6-4, reaching her first Pan Pacific Open final.Muguruz…READ FULL ARTICLE