In an all-American clash at the Adelaide International on Wednesday, No.2 seed Jessica Pegula fended off lucky loser Bernarda Pera 4-6, 6-2, 6-3 to enter the quarterfinals.
Women's world No. 1 and winner of two majors this year, Poland's Iga Swiatek, heads the draw at the San Diego Open -- a WTA 500 event --, where a rematch of the French Open final against American Coco Gauff could be on the…