'Heartbroken' Osaka pulls out of Australian Open injured
The Japanese superstar made the announcement just hours before she was due to meet Australian qualifier Maddison Inglis on centre court in Melbourne.
"I've had to make the difficult decision to withdraw to address something my body needs attention for after my last match," said the 16th seed on Instagram.
"I was so excited to keep going and this run meant the most to me, so having to stop here breaks my heart. But I can't risk doing any further damage so I can get back on court."
The four-time major champion...