PERTH, AUSTRALIA - DECEMBER 29: Roger Federer of Switzerland poses for a selfie with spectators after a practice session at the Perth Arena on December 29, 2016 in Perth, Australia. (Photo by Paul Kane/Getty Images)
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PERTH, AUSTRALIA - DECEMBER 29: Roger Federer of Switzerland poses for a selfie with spectators after a practice session at the Perth Arena on December 29, 2016 in Perth, Australia. (Photo by Paul Kane/Getty Images)
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PARIS, FRANCE - JUNE 11: Rafael Nadal of Spain celebrates victory with the trophy following the mens singles final against Stan Wawrinka of Switzerland on day fifteen of the 2017 French Open at Roland Garros on June 11, 2017 in Paris, France. (Photo by Clive Brunskill/Getty Images)
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SEP 1989: YANNICK NOAH OF FRANCE PERFORMS A RUNNING FOREHAND DURING A MATCH AT THE 1989 US OPEN PLAYED AT FLUSHING MEADOWS IN NEW YORK.
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PARIS, FRANCE - JUNE 07: Novak Djokovic of Serbia serves in the Men's Singles Final against Stanislas Wawrinka of Switzerland on day fifteen of the 2015 French Open at Roland Garros on June 7, 2015 in Paris, France. (Photo by Julian Finney/Getty Images)
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NEW YORK, NY - SEPTEMBER 10: Rafael Nadal of Spain bites the championship trophy during the trophy ceremony after their Men's Singles Finals match on Day Fourteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 10, 2017 in the Flushing neighborhood of the Queens borough of New York City. Rafael Nadal defeated Kevin Anderson in the third set with a score of 6-3, 6-3, 6-4. (Photo by Clive Brunskill/Getty Images)
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NEW YORK, NY - SEPTEMBER 09: Sloane Stephens of the United States poses with the championship trophy during the trophy presentation after the Women's Singles finals match on Day Thirteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2017 in the Flushing neighborhood of the Queens borough of New York City. Sloane Stephens defeated Madison Keys in the second set with a score of 6-3, 6-0. (Photo by Elsa/Getty Images)
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NEW YORK, NY - SEPTEMBER 09: Sloane Stephens of the United States poses with the championship trophy during the trophy presentation after the Women's Singles finals match on Day Thirteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2017 in the Flushing neighborhood of the Queens borough of New York City. Sloane Stephens defeated Madison Keys in the second set with a score of 6-3, 6-0. (Photo by Elsa/Getty Images)
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LONDON, ENGLAND - JULY 15: Garbine Muguruza of Spain celebrates victory with the trophy alongside runner up Venus Williams of The United States after the Ladies Singles final on day twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 15, 2017 in London, England. (Photo by David Ramos/Getty Images)
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Story highlights

Federer wins 6-1 5-2 ret.

Chung retired with a left foot issue

Federer will face Marin Cilic on Sunday

CNN  — 

Roger Federer plays quick matches, but Friday at the Australian Open was even quicker than usual.