Result: Kei Nishikori breaks down Carlos Berlocq

Kei Nishikori of Japan stretches for a shot during his second round match at the Australian Open tennis championship on January 16, 2013
© AP Photos
Kei Nishikori overcomes durable Argentine slugger Carlos Berlocq in straight sets to book his place in round three of the Australian Open.

Kei Nishikori overcame a bruising first-set battle to beat Carlos Berlocq in the Australian Open second round this morning.

Berlocq and Nishikori were both strong on serve throughout the opening set, with even a tie-break struggling to decide an evenly-matched contest.

Nishikori eventually prevailed by the narrowest of margins, winning the breaker 7-4 to claim the early advantage after more than 70 minutes.

The Argentine struggled to maintain his high standard on serve, battling bravely but eventually falling two sets behind to a relentless Nishikori.

The 16th seed made light work of the third against his visibly tired adversary to seal the win by a flattering straight-sets scoreline.

Kei Nishikori of Japan makes a serve during his first round match at the Australian Open tennis championship on January 14, 2013
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2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
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19United States John Isner2,110
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