Japan's former world No. 1 Naomi Osaka upset top-seeded Aryna Sabalenka of Belarus 6-2, 7-6(2) in the Wimbledon fourth round on Sunday, advancing to the quarterfinals at the All England Club for the first time in her career.The 14th-seeded Osaka became the first Japanese woman to reach the last eight at Wimbledon since Ai Sugiyama in 2004."It's been a long time since I've had so much fun on the court, and to do it here, it really means a lot," the four-time Grand Slam winner said in her on-court interview.Osaka's Wimbledon breakthrough also marked a turnaround in her head-to-head series aga…READ FULL ARTICLE