“I feel like I know what tomorrow's looking like for me, and I don't love it," the hometown hero shared after Monday's gritty victory.

The former world No. 3 was slowed by injuries after his peak, and has called time on his 18-year playing career.

Blending "athletic edge with elevated luxury," DASH is debuting with a glittering collaboration with the Australian Open.

Earlier in singles, Belinda Bencic upset Iga Swiatek before Hubert Hurkacz defeated Stan Wawrinka.

The sport’s biggest rivalry kicked off the season with a sold-out exhibition match.