Seoul Open: Sun makes last 8

Swiss qualifier Lulu Sun advanced to the quarter-finals of the Seoul Open by winning against Russian Anna Blinkova 6-4, 7-6 (6) at the Seoul Olympic Park on Thursday night. Sun, ranked No 340, will face Russian Ekaterina Alexandrova, the second seed, next. The 21-year-old Swiss beat Australian qualifier Lizette Cabrera (7-6 (6), 6-2) ahead of her victory. In the previous ro

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