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Thursday, January 16, 2014
Updated: January 17, 1:27 PM ET
Novak Djokovic into fourth round

ESPN.com news services

MELBOURNE, Australia -- Novak Djokovic extended his winning streak to 27 matches and stayed on track for a fourth consecutive Australian Open title with a 6-3, 6-3, 7-5 win Friday over Denis Istomin.

Djokovic, whose last defeat came against Rafael Nadal in the U.S. Open final, is aiming to be the first player to win four Australian Open titles in a row in the Open Era.

He is looking the part, despite being broken in his first attempt to clinch the match Friday.

He's won all three matches so far in straight sets and his major threats -- top-seeded Nadal, Andy Murray and Roger Federer -- are in the other half of the draw.

"I have to be satisfied ... as the tournament progresses I'm playing better and better," Djokovic said. "It's important not to underestimate any opponent. Having the right approach to the court, having the right intensity, starting from the first point to try to show to your opponent that you're there to win."

Third-seeded David Ferrer also advanced with a 6-2, 7-6 (5), 6-2 win over No. 29 Jeremy Chardy.

The Spaniard was a semifinalist last year at Melbourne Park before losing to Djokovic.

In night matches, No. 15 Fabio Fognini beat American Sam Querrey 7-5, 6-4, 6-4 and will play Djokovic on Sunday. No. 17 Tommy Robredo defeated No. 9 Richard Gasquet 2-6, 7-5, 6-4, 7-6 (6) and to set up a fourth-round match against a well rested Stanislas Wawrinka.

Wawrinka received a walkover Friday when Canadian Vasek Pospisil withdrew with a back injury, giving him three full days off before his match against Robredo.

Ferrer
David Ferrer is working toward building on his career-best year from 2013.

Ferrer, 31, had a career-best year in 2013, reaching his first Grand Slam final at the French Open and finishing the year at No. 3 in the rankings.

He meets Florian Mayer in the fourth round after the German player defeated No. 20-seeded Jerzy Janowicz of Poland in straight sets earlier Friday.

Tomas Berdych also advanced to the Australian Open's fourth round with a 6-4, 6-2, 6-2 win over qualifier Damir Dzumhur.

Dzumhur, the first man from Bosnia and Herzegovina to play singles in a Grand Slam, was cheered on by a vocal group of supporters from the Balkans region who now live in Melbourne.

Berdych made it to the quarterfinals last year, losing to Djokovic.

The No. 7 Berdych is again in Djokovic's half of the draw, but the two could not meet until the semifinals.

Berdych will next play No. 19 Kevin Anderson, who beat Edouard Roger-Vasselin 3-6, 4-6, 6-3, 7-6 (5), 7-5.

Information from The Associated Press was used in this report.