Naomi Osaka stuns as she channels 'Barbie' glam in pink ensemble - Emma Raducanu 'in talks with ex-Naomi Osaka coach' as blame placed over injury hell - Naomi Osaka's coach suggests major rule change to make tennis less 'boring' - Naomi Osaka pulls out of Billie Jean King Cup after discovering 'bulged disc' in her back - Iga Swiatek adds Naomi Osaka's former coach to team in start of 'new chapter' - Iga Swiatek announces Wim Fissette as new coach one month after Naomi Osaka split - Former No. 1 Naomi Osaka announces split from coach Wim Fissette - Naomi Osaka, 4-time Grand Slam champion, rips fan for calling her a 'fluke' - Coco Gauff, Naomi Osaka and a Clash Between Stars Who Pivoted - Coco Gauff performs touching gesture as Naomi Osaka retires injured in China Open clash