Aussie firebrand Nick Kyrgios to meet Roger Federer in Miami semis

The fourth-seeded Federer fought off two match points before beating No.10 seed Tomas Berdych 6-2 3-6 7-6 (8-6) in their quarter-final.

But, Federer's class proved the difference in the tie-breaks as he improved to 6-0 in his career meetings with Bautista Agut and advanced to a showdown against 10th-seeded Czech Tomas Berdych.

It was hard to separate Federer and Bautista Agut in the first set as games went by the way of serve in the early stages of the contest.

Federer will face Nick Kyrgios in the semi-finals after the Australian came through an entertaining 6-4, 6-7 (9/11), 6-3 victory over 19-year-old German Alexander Zverev.

A finalist will be decided between Federer and Kyrgios, who will face the victor of Friday's game between Spanish Rafael Nadal and Italian Fabio Fognini.

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Federer next will play the victor of Thursday s later quarter-final between two of the ATP s up and coming stars, Australia s Nick Kyrgios and Germany s Alexander Zverev.

Federer was broken when serving for the match at 5-3 and was unable to convert on match-point at in the next game.

The other quarter-finals sees third-seed Simona Halep of Romania take on Britain's Johanna Konta while world number one Angelique Kerber faces local favuorite and seven-time Grand Slam champion Venus Williams.

With no margin for error, Kyrgios was again ahead of breaking the serve of his rival in the sixth game and confirmed the break in the next to get 5-2, distance that the German could not recover and he said goodbye to the tournament Three weeks before turning 20 on April 20. That's when I told myself, Just be prepared for something different, you know. I think the level was quite up and down.

"I feel like I earned it more", said Federer, the 2005 and 2006 champion on Key Biscayne.

The Argentine had a chance to turn things around when he had a break point when down 4-3 in the second set but Federer, moving well and looking full of confidence, held firm and wrapped up the match in one hour and 22 minutes. "That's my game style that I've had success with, so that's what I'm going to bring", Sport24 quoted Kyrgios as saying. Another break for a 3-2 lead in the second set, not long after del Potro got his oft-problematic left wrist taped on a changeover, put Federer in control.

His next opponent will be either Alexander Zverev or the Australian Nick Kyrgios.

  • Julie Sanders