Jannik Sinner had to “dig himself out of a hole” after roasting his champion Aussie coach Darren Cahill after his Australian Open semi-final win.

Jannik Sinner had to “dig himself out of a hole” after roasting his champion Aussie coach Darren Cahill after his Australian Open semi-final win.

Jannik Sinner heaps praise on Darren Cahill after winning the Australian Open.

Jannik Sinner heaps praise on Darren Cahill after winning the Australian Open.

World No.1 Jannik Sinner has powered his way to a second straight Australian Open crown and third grand slam title with a three-set win over Alexander...

Overseeing Jannik Sinner's Australian Open for the last time, coaching great Darren Cahill doesn't want the final against Alexander Zverev to be about...

The Italian completes a straight-sets win over world number two Alexander Zverev to remain perfect in Grand Slam finals.

Jannik Sinner retained his Australian Open title with an emphatic 6-3 7-6(4) 6-3 win over Alexander Zverev on Sunday, breaking new ground for Italian...

Jannik Sinner retained his Australian Open title with an emphatic 6-3 7-6(4) 6-3 win over Alexander Zverev on Sunday, breaking new ground for Italian...

MELBOURNE: Jannik Sinner retained his Australian Open title with an emphatic 6-3 7-6(4) 6-3 win over Alexander Zverev on Sunday, breaking new ground...