Four-time Grand Slam winner Naomi Osaka of Japan withdrew from the Toray Pan Pacific Open ahead of her second-round match on Thursday.The defending champion from when the tournament was last held in 2019 prior to the pandemic cited abdominal pain for her withdrawal."It's an honor to be able to play ... in front of the amazing fans here in Japan," Osaka said in a statement. "This has and always will be a special tournament for me and I wish I could have stepped on court today, but my body won't let me."With Osaka unable to play, Brazilian fifth seed Beatriz Haddad Maia advanced to the quarte…READ FULL ARTICLE