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Australian Open men's round-up: Cilic overcomes Carreno Busta for 100th Slam win

Australian Open men's round-up: Cilic overcomes Carreno Busta for 100th Slam win

The victory sent Nadal through to his 10th Australian Open quarter-final and 33rd overall at the slams, where he will face sixth seed Marin Cilic, who won his own tough battle 6-7, 6-3, 7-6, 7-6 against Pablo Carreno Busta.

Nadal was taken to four tough sets in nearly four hours before winning 6-3, 6-7 (4/7), 6-3, 6-3 and will next play either Grigor Dimitrov or Nick Kyrgios in the last eight. Nadal eventually got over the line winning 6-3, 6-7 (4), 6-3, 6-3 in just under four hours.

The 23-year-old world No.49 will meet the victor of Sunday night's showdown between third seed Grigor Dimitrov and Australian title hope Nick Kyrgios.

Cilic reached the last eight in Melbourne for the second time and also claimed his 11th Slam quarter-final to equal Goran Ivanisevic's record for appearances at that stage of the majors by a Croatian man.

The sometimes hot-headed 17th seed believes he has made considerable improvements to his game since his best previous Melbourne Park showing, a quarter-final loss to Andy Murray 2015. Schwartzman knew he had to overpower Nadal from the baseline in order to achieve a positive result and he produced some fine shotmaking to make Nadal uncomfortable and to keep the points on his racquet.

"There were lots of ups and downs and Pablo gave me a lot of trouble in that third set where he was twice a break up and it was hard mentally", Cilic said.

The key game of the fourth set lasted nearly 13 minutes and 20 points, with Nadal finally holding after saving five break points as Schwartzman attacked him with everything he had.

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"The last couple years I feel like I haven't been physically ready to play these long matches and back it up", Kyrgios said.

"A great battle", Nadal said after finally seeing off Schwartzman.

Nadal lost last year's Australian Open final to Roger Federer, but went on to regain the No. 1 ranking and win the French and U.S. Open titles before bringing his season to a premature end because of an injured right knee.

"It's the first big match I've played in 2018". "But moments like this helps to be more confident in yourself, in your body".

He took the third set and broke in the third game of the fourth, having saved five break points for 1-1. Both players knew the importance of this game as it seemed to swing momentum fully into Nadal's favour. "That's I think what I did", said Suarez Navarro, one of the few who still uses a one-handed backhand.

Mertens will play fourth-seeded Elina Svitolina who beat qualifier Denisa Allertova 6-3, 6-0. The 31-year-old proved to be too much for the Argentine as he secured the fourth set 6-3.