Tennis Roundup: Osaka splits with coach Bajin

IMAGE: Japan's Naomi Osaka with coach Sascha Bajin. Photograph: Patrick Hamilton/Reuters Naomi Osaka, winner of the past two Grand Slam tournaments, has parted ways with her coach Sascha......

Tennis round-up: Osaka on why she split with coach Bajin

IMAGE: 'Everyone thinks it was a money-related issue, but it wasn't'. Photograph: Scott Barbour/Getty Images World No 1 Naomi Osaka was adamant that her shock split with coach Sascha Bajin had......

Why Osaka has an 'upper hand' over Kvitova in Aus Open final

IMAGE: Japan's Naomi Osaka will face Czech Republic's Petra Kvitova in their maiden Australian Open final on Saturday. Photograph: Quinn Rooney/Getty Images and Mark Kolbe/Getty Images US Open......

Osaka sacks her second coach of 2019

IMAGE: Top ranking and the attention that goes with it proved a heavy burden on Naomi Osaka. Photograph: Yong Teck Lim/Getty Images Twice Grand Slam champion Naomi Osaka has sacked her second......

Naomi Osaka's plan A,B and C revealed!

'Knowing that she did have already so much power, it was very obvious she just had to do more of the other stuff' 'So you can hit angles, different types of spins, a drop-shot coming in' IMAGE:......