Tuesday 26 March 2019 13:21, UK
Roger Federer moved through to the last 16 at the Miami Open after cruising past Serbia's Filip Krajinovic in straight sets on Monday.
Federer, beaten by Dominic Thiem in last week's BNP Paribas Open final in Indian Wells, reached the fourth-round of the tournament for the 16th time with a confident 7-5 6-3 victory.
The Swiss legend, who is aiming to land his fourth title in Florida, adapted to the conditions in mesmerising style to finish with 35 winners and 14 aces in 90 minutes.
Federer, 37, will face Daniil Medvedev next after the Russian defeated big-hitting American Reilly Opelka.
Medvedev was made to work harder for his win, spending nearly two-and-a-half hours on court before prevailing 7-6 (7-5) 6-7 (5-7) 7-6 (7-0).
Kevin Anderson mixed 13 aces with just one double fault to seal a 6-4 7-6 (7-6) victory over Portuguese Joao Sousa earlier.
The towering South African sixth seed will be a heavy favourite on Tuesday when he faces unseeded Australian Jordan Thompson, who beat Grigor Dimitrov 7-5 7-5
Denis Shapovalov took less than 30 minutes to go a set up, but needed a further hour to finish off Andrey Rublev 6-3 7-6 (7-5), while David Goffin beat 14th seed Marco Cecchinato 6-4 6-4 and Frances Tiafoe got the better of David Ferrer 5-7 6-3 6-3.
Australian Open semi-finalist Stefanos Tsitsipas also progressed, beating Leonardo Mayer 6-4 6-4.
In the women's event, Bianca Andreescu's dominant recent impressive run ended as the Canadian teenager who has taken the tennis world by storm retired with a shoulder injury while trailing 6-1 2-0 in her fourth-round clash with Estonia's Anett Kontaveit.
Simona Halep prevailed in the battle of the former world number ones after seeing off Venus Williams 6-3 6-3.
Halep goes on to face Qiang Wang who defeated compatriot Yafan Wang 7-5 6-4.
Czech third seed Petra Kvitova beat Frenchwoman Caroline Garcia 6-3 6-3 to set up a quarter-final clash with Australian 12th seed Ashleigh Barty, a 4-6 6-3 6-2 winner over seventh seed Kiki Bertens of the Netherlands. Caroline Wozniacki went out to 27th seed Su-Wei Hsieh 6-3 6-7 (0-7) 6-2.
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