By Bill Kwan&Kimberly Samnang.Photography by A.J. Lam. Bianca Andreescu, at only 19 years old, into her third professional season, entered the finals against Serena Williams, former world number 1, with 23 Grand Slams on her reel, winning the 2019 Rogers Cup. During the 4th game of the first set, Serena called for a medical time […]