Title-holder Naomi Osaka was stunned by 15-year-old Salm debutant and American Coco Gauff. Gauff is having a dream run in the tournament after beating the mighty Venus Williams in the first round, she now has beaten World No 3 Naomi Osaka in straight sets 6-3, 6-4.

Australian Open shocker: Defending champion Naomi Osaka knocked out by Coco Gauff

Hyeon Chung becomes the third Korean player to make the R16 at a Grand Slam, ousting No.4 seed Zverev 5-7, 7-6(3), 2-6, 6-3, 6-0

Australian Open: Hyeon Chung beats Alexander Zverev, enters R16

The world number 20 sealed a dominant win in which she struck 32 winners and nine aces to Garcia's nine winners and a single ace

Australian Open: Madison Keys defeats Caroline Garcia to enter quarterfinals

The world number two from Denmark will face the unseeded Carla Suarez Navarro from Spain for a place in the semi-finals

Australian Open: Caroline Wozniacki books quarter-finals berth

The Swiss legend Roger Federer defeated Richard Gasquet of France, 6-2, 7-5, 6-4

Australian Open: Defending champion Roger Federer races into R16

Kerber will face either 26th seed Agnieszka Radwanska of Poland or Taiwan's Hsieh Su-wei for a place in the quarter-finals

Australian Open: Angelique Kerber outplays Maria Sharapova to reach R16

Rafa was taken to four gruelling sets in almost four hours before winning 6-3, 6-7 (4/7), 6-3, 6-3 on Rod Laver Arena

Australian Open: Rafael Nadal through to quarterfinals

The Indian pair lost to the 11th seeded Colombian duo 1-6, 2-6, in an hour-and-nine-minute-long match

Australian Open: Indian duo Leander Paes Purav Raja crash out

Mate Pavic and Gabriela Dabrowski beat Timea Babos and Rohan Bopanna 2-6, 6-4, 11-9 in the mixed doubles final

Australian Open: Pavic, Dabrowski win mixed doubles

Chung is the first South Korean man or woman to reach the semi-finals at a Grand Slam

Australian Open: Unseeded Chung Hyeon enters semi-final

Unseeded Chung Hyeon has already reached the semi-final and will face either defending champion Roger Federer or Tomas Berdych in Friday's semi-final

Australian Open: Roger Federer vs Tomas Berdych, some match facts

Kerber will face either world number one Simona Halep or sixth seed Karolina Pliskova for a place in Saturday's final

Australian Open: Angelique Kerber outplays Madison Keys, races to semi-final

Giantkillers Chung Hyeon and Tennys Sandgren face off in a last-eight showdown no one expected on Rod Laver Arena

Australian Open: Chung Hyeon, Tennys Sandgren, Federer, Halep, Pliskova Berdych target semis

Elina Svitolina will face Denisa Allertova to pursue her dreams of the maiden slam

Day 7: Nadal, Dimitrov, Kyrgios, Wozniacki eye quarter-finals

Berdych, who has played in the semi-finals twice in Melbourne, will face Italian Fabio Fognini in fourth round

Australian Open: Tomas Berdych rallies past Del Potro to reach last 16

Karolina Pliskova defeated fellow Czech Lucie Safarova and enters fourth round of Australian Open women singles

Australian Open: Karolina Pliskova & Madison Keys enter fourth round

Elise Mertens defeated Elina Svitolina in straight sets to reach the semi-finals of Australian Open

Australian Open: Elise Mertens continues Cinderella run, beats Elina Svitolina

Simona Halep showed some determined defensive techniques to defeat an inspired, gutsy, fearless Lauren Davis in almost four-hour-long rally

Australian Open: Simona survives epic rally, beats Lauren Davis 4-6, 6-4, 15-13

Federer is aiming to add to his five Australian Open titles and in the process win a record 20th Grand Slam

Australian Open: Match facts of men's final, Roger Federer vs Marin Cilic

Romanian beauty in "red dress" will face Angelique Kerber in the semi-final match of the first grand slam of 2018

Australian Open: Simona Halep rattles Karolina Pliskova, reaches semi-finals

Rafael Nadal will face Marin Cilic to book a berth in semi-finals of the first grand slam of 2018

Australian Open: Rafael Nadal vs Marin Cilic, some match facts

British star Edmund stunned third seed Grigor Dimitrov 6-4, 3-6, 6-3, 6-4 on Rod Laver Arena

Australian Open: Kyle Edmund progresses to semi-finals, upsets Grigor Dimitrov

Karolina Pliskova will face top-ranked Simona Halep for a place in the semis

Australian Open: Pliskova rallies to reach Open quarter-finals

In an endless list of records, he also holds the all-time men's record of 332 Grand Slam wins since playing his first in 1999

With 20 Grand Slam titles on board, 'Fed-express' to not stop

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