Australian Open Quarterfinals: Djokovic vs Nishikori: Live Score, Match Highlights & Updates

That wraps up our live coverage for the day. Do join us tomorrow for live updates from the semi-finals.

Goodbye!

This will also help Djokovic to remain fresh for the semi-finals. Looking very confident and determined for a record seventh title at his most successful Slam.

Djokovic will now face Lucas Pouille in the semi-finals

Final score: Djokovic def Nishikori (ret) 6-1, 4-1

That's a sad end for what had been a brilliant campaign for Nishikori.

Unfortunately the long marathons took a toll on his body.

Unfortunately Nishikori RETIRES!!!!!!

Djokovic forces another deuce on the Nishikori serve to get another service break.

4-1

It's 3-1 for Novak!

Too good in every department!

Djokovic BREAKS Nishikori to love!

What a performance by the No. 1

Nishikori has absolutely no answer!

Djokovic is comfortably up 2-1

It's a love service game for Djokovic.

Once more Nishikori will face the heat, serving at 1-1

A much better start to Game 2 for the Japanese.

Nishikori holds to 15 to open up a 1-0 lead.

Nishikori asked for the trainer. Seems his earlier long matches took a toll on him.

Brutal. Utterly dominating.

Djokovic is looking very good for a record seventh title.

The Djokovic service game proved to be a walk in the park.

The World No. 1 holds serve to love and gets the first set 6-1.

Nishikori just can't do anything against the Djokovic onslaught.

Djokovic brought a wondrous backhand return to BREAK Nishikori again.

Djokovic up 5-1

Nishikori did put pressure on the Djokovic serve. A deuce is all he got

Djokovic produced some superb forehands to hold serve.

Nole 4-1

The momentum is still very much with the six-time champion.

Nishikori passes a stern test. Holds his serve for the first time after being forced to deuce.

He is now 1-3

Fairly easy start for Novak.

Holds his serve to 15 to build a 3-0 lead

With an unforced error off his backhand, Nishikori drops his serve!

Djokovic BREAKS and leads 2-0

Djokovic put Nishikori under the gun right away with his returns.

Deuce on the Nishikori serve

Djokovic held his serve to love.

1-0