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Elise Mertens reached the quarterfinals in her debut in the Australian Open main draw, beating Petra Martic 7-6 (7-5), 7-5 to extend her winning streak to nine matches including her run to the Hobart International title last week.
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The drama was not over though as Dimitrov wobbled when serving for victory. "There wasn't much in it". "It wasn't like I got demolished out there", said Kyrgios, who missed the chance to end the drought for local men that dates back to the 1976 Australian Open.
The 16-time major victor broke again in the next game and withstood more break points - seven in all in the last set and 15 of 18 in the match - before clinching it in 3 hours 51 minutes.
He spent six months off the tour previous year with a right elbow injury and said he waited until just before the tournament began to decide if he was fit enough to play.
Edmund brought in Swedish coach Fredrik Rosengren and Briton Mark Hilton at the end of past year.
"I think being nearly out of the tournament, you have nothing to lose after that", Wozniacki said.
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"But at the same time you have to use the forehand right".
"Sometimes I think he lacks a bit of belief".
"At times, he used the driver on the putting range".
"Frustrating", said Dimitrov, when asked what it's like to play someone as unpredictable as Kyrgios. "It's a big challenge, but I'm improving every single year".
Vallverdu saw Edmund close up in his younger years when the Yorkshireman travelled to Miami to train with Murray, as well as with the Davis Cup squad. "I thought I played well".
'It was one of those matches you had to take any opportunity that you got.
"It's the first big match of 2018". He served a double fault at 15-30 and then watched a backhand fly past him as Kyrgios broke back.
Often thrilling for spectators, Vallverdu is encouraging a more pragmatic approach from Dimitrov. Seppi, 33, has now played 52 majors without reaching the quarterfinals - he has lost in the fourth round five times. Kyrgios - who recovered from a 5-3 four-set deficit to clinch a tie-break - hoped he would be able to make it 2-2 and force a decider.
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Edmund might have the kind of game that can blow opponents off the court, but his on-court demeanour has been more in line with his quiet character.
"He plays very well here".
"I always believe it has to be fun out there", he said. "It was just a great match for tennis tonight".
'Of course, I feel little bit exhausted, but I was able to keep fighting until the end. It has to come naturally.
'She really mixes up the pace, I just tried to calm down, get my returns in and wait for the opportunities to attack, she said after crushing the Slovak, who made the semi-finals at Wimbledon past year. The only time he's failed to reach at least the quarters was past year when he lost in the third round to Roger Federer.
"It's been incredible - good start of the year", Mertens said. "That's the way I have approached it, one match at a time, and I continue to do that". "There is no place to underestimate him or anything like that", Dimitrov said.
He tipped his mate Dimitrov to go far.
"This is what we are going to work on on Monday night - a lot", said Rosengren. I lost to one of the best players in the world but I went down swinging.
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The Spaniard, who has made the quarter-finals in Melbourne twice before, most recently in 2016, credited her fightback with a conscious decision to be more aggressive. "And it's a mental game".