Naomi Osaka battled through injury to reach the quarter-finals of the Japan Open on Wednesday, choking back tears after hitting the winning shot against defending champion Suzan Lamens. Top seed Osaka, playing a singles tournament in her native Japan for the first time in three years, won 7-6 (8/6), 3-6, 6-2 to set up a last-eight match against Romania’s Jaqueline Cristian. READ: US Open: So far, so good for Naomi Osaka and her new coach The former world number one was leading 5-0 in the final set in the city of Osaka when she needed a medical timeout to receive […]... Keep on reading: Naomi Osaka battles injury to reach Japan Open quarterfinals