LIVE: Djokovic fumes as teen steals set off champ
Jason Kubler needed three set points but he wins the tenth game to force a deciding fifth set against Daniel Galan.
"It's been an epic and we are going to continue into the night," Colin Fleming says in commentary for Nine.
Kubler has had 20 break points in this match but has only been able to edge forward on seven occasions.
Novak Djokovic breaks back against Dino Prizmic, levelling the third set 3-3.
Djokovic claimed the first set 6-2 but his young rival hit back with a tiebreak win in the second.
An engrossing arm wrestle is playing out at Rod Laver Arena, between arguably the greatest of all time and the tennis world's newest sensation.
The teen breaks Novak's serve!
Prizmic rallies in the fifth game of the third set to go up 3-2.
Jason Kubler breaks.
Daniel Galan breaks back.
Kubler returns the favour.
This set is fascinating!
After the break, Kubler has the opportunity to serve for a deciding fifth set, leading 5-4.
Remarkably, at the end of the ninth game of the fourth set, the pair have covered the same distance in this match.
Cracks are continuing to appear in Djokovic's game tonight.
The 24-time grand slam champion has just doubled-faulted, gifting Prizmic a point in the fifth game of the third set.
Jason Kubler has watched the third set of his match against Daniel Galan go begging, losing out in a third-set tiebreak 7-6 (3).
After one hour and 21 minutes, Kubler trails two sets to one after grabbing the opener.
In the break between sets, the trainer assessed Kubler's arm, but no medical timeout was called.
The new kid on the block stuns the world No.1!
Dino Prizmic, take a bow.
He trumps Novak Djokovic 7-5 in the second-set tiebreak.
Djokovic took the first set 6-2, before the 18-year-old claimed the second 7-6 (5).
Drama at Rod Laver Arena!
Novak Djokovic loses a point as his rival goes 3-2 up in the tiebreak.
The Serbian champion then hits out over noise in the crowd, fuming that he was supposedly put off.
The chair umpire issues a warning to the crowd.
