Aus Open: Thiem eases past Mannarino into fourth round

Dominic Thiem downed the 26th-seed 6-4, 6-2, 7-5 in 2hr 8min on Margaret Court Arena and will face either German Maxmilian Marterer or American Tennys Sandgren for a place in the quarterfinals.

Austria's Dominic Thiem returns to France's Adrian Mannarino.   -  AFP

Austria's fifth seed Dominic Thiem reached the round of 16 at the Australian Open with a straight sets win over Frenchman Adrian Mannarino on Saturday.

Thiem downed the 26th-seed 6-4, 6-2, 7-5 in 2hr 8min on Margaret Court Arena and will face American Tennys Sandgren for a place in the quarterfinals.

The Austrian has now reached the round of 16 at his last six Grand Slams.

Thiem showed no ill-effects of his five set win over American qualifier Denis Kudla in the second round in fierce heat on Thursday.

Read: Rafa sails through, Kyrgios books Dimitrov showdown

The victory took his record over Mannarino to 7-0.

Later, American Tennys Sandgren won only his third Grand Slam match to reach the round of 16.

The 97th-ranked Sandgren got past German Maxmilian Marterer 5-7, 6-3, 7-5, 7-6 (7/5) in just under three hours on Show Court Two.

Sandgren upset former champion Stan Wawrinka in straight sets in the third round in the biggest win of his career on Thursday.

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