Tennis-Defending Miami champion Hurkacz advances, Medvedev stops Murray, Osaka gets walkover
(Reuters) -Hubert Hurkacz unleashed 17 aces to topple France's Arthur Rinderknech 7-6(5) 6-2 and keep his title defence going at the Miami Open on Saturday as world number two Daniil Medvedev sent twice winner Andy Murray packing and Naomi Osaka advanced on a walkover.
Rinderknech was unable to convert his sole break point in the first set and lost the momentum altogether after the tiebreak, as the 10th-ranked Pole won the first four games of the second set of their second-round clash.
Reigning U.S. Open champion Medvedev never faced a break and proved too nimble for three-times Grand Slam winner Murray, dropping just two of his first-serve points in the second set as he won 6-4 6-2.
"Playing against Andy is never easy," said Russian Medvedev, who is on a quest to regain his number-one ranking. "Managed to serve well, and I think that was one of the keys today."
Japan's Osaka advanced to the fourth round on a walkover after Czech Karolina Muchova withdrew following an injury she sustained during warm-ups.
The four-times Grand Slam champion will next face Alison Riske, who defeated Ann Li 6-2 3-6 6-3 in an all-American clash.
Muchova's was the latest injury to mar the women's field in Miami after Garbine Muguruza and Simona Halep pulled out on Thursday.
TSITSIPAS PULLS AWAY LATE, ALCARAZ GETS FIRST MIAMI WIN
World number five Stefanos Tsitsipas held off strong resistance from American qualifier J.J. Wolf and won 6-4 6-7(5) 6-1.
The Greek, who hit 37 winners, will next face Alex de Minaur who defeated fellow Australian Jordan Thompson 6-2 6-3.
"He's a fighter," Tsitsipas said of de Minaur. "I really hope to bring out the same kind of level that I brought in the third set and maintain that throughout the match."
Spain's 18-year-old Carlos Alcaraz secured his maiden win at the Miami event with a comfortable 6-3 6-2 victory against Marton Fucsovics of Hungary.
Fresh from collecting the biggest title of his career at Indian Wells, American Taylor Fritz survived a surprise test from Kazakhstani qualifier Mikhail Kukushkin to win 6-3 5-7 6-3.
Kukushkin put up a strong defence, with eight of 11 break points saved, but struggled against his opponent's powerful serve, with the 13th-ranked Fritz launching 10 aces.
Fritz drew a picture of the sun and the caption "x 2?" on the on-court camera after the match - a hint that he perhaps was chasing tennis's elusive "sunshine double" of Indian Wells and Miami - but said afterwards that the gesture was intended as a joke.
"I'm not coming here expecting to win the tournament or anything. I'm going into it with the same mentality as Indian Wells," he said in a televised interview. "Take it one match at a time."
Fritz's Indian Wells quarter-final opponent, Serbian Miomir Kecmanovic, dispatched seventh-seeded Canadian Felix Auger-Aliassime 6-4 6-2 and Spain's Roberto Bautista Agut moved past Pole Kamil Majchrzak 6-3 6-3.
SHAPOVALOV, KHACHANOV KNOCKED OUT
Canadian Denis Shapovalov lost 6-3 6-4 to Lloyd Harris of South Africa, American Jenson Brooksby defeated Nikoloz Basilashvili 6-3 6-1 and Marin Cilic beat Alexei Popyrin 6-0 6-3.
Karen Khachanov lost 6-4 3-6 7-6(3) to Tommy Paul, Daniel Evans suffered a 3-6 6-4 6-3 defeat by qualifier Yoshihito Nishioka and Cristian Garin was knocked out 7-6(2) 6-2 by Pedro Martinez.
Aslan Karatsev won 7-5 6-2 against Ugo Humbert and Sebastian Korda beat Albert Ramos-Vinolas 4-6 7-6(3) 6-3.
In the women's field, Australian Open finalist Danielle Collins of the United States beat Vera Zvonareva 6-1 6-4, while Olympic champion Belinda Bencic eased past Britain's Heather Watson 6-4 6-1.
Swiss Bencic, who suffered early exits from Indian Wells earlier this month and Doha in February, launched five aces across the net as Watson struggled on the return and was only able to convert one of eight break points.
In the late contest, Tunisian world number 10 Ons Jabeur defeated Estonia's Kaia Kanepi 6-3 6-0.
(Reporting by Amy Tennery in New York and Manasi Pathak in Bengaluru; Editing by Clare Fallon and Christopher Cushing)
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