Gallery: A drama-filled day at the Australian Open as Roger Federer falls

There were a couple of upsets on day seven as Roger Federer was knocked out by the Rafael Nadal juggernaut rolled on at the 2019 Australian Open.

Man in the middle Frances Tiafoe.
Frances Tiafoe in action

Man in the middle turned into man without a shirt after beating Grigor Dimitrov.
Frances Tiafoe celebrates

Amanda Anisimova deep in thought during her 6-2, 6-1 defeat at the hands of Petra Kvitova.

Tennis ball incoming for Ashleigh Barty, who stunned Maria Sharapova to reach the quarter-final.
Ashleigh Barty in action

It’s the end of the road for Angelique Kerber, who was beaten by Danielle Collins.
Angelique Kerber departs

Can you guess who it is? It’s Rafael Nadal, who saw off Tomas Berdych.
Rafael Nadal shadow

Man of the moment Nadal.
Rafael Nadal in action

Stefanos Tsitsipas takes a breather during his match against Roger Federer.
Stefanos Tsitsipas wipes his face

But the youngster was making the defending champion Federer toil.
Roger Federer in action

The Greek sensation eventually beat the 20-time Grand Slam winner in four sets.
Stefanos Tsitsipas pointing

He will face Roberto Bautista Agut next.
Roberto Bautista Agut serving

The Spaniard accounted for 2018 runner-up Marin Cilic’s exit.
Marin Cilic sitting

Roger Federer makes a surprise appearance as Laver Cup gets underway