Roger Federer showed no sign of back trouble as he cruised into the second round of the Australian Open on Monday with a 7-5, 6-2, 6-2 victory over qualifier Alexander Kudryavtsev.
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The 2010 champion, bidding to extend his men's record to 17th grand slam, traded baselines punches with his 172nd-ranked opponent early before landing a sublime backhand winner down the line to seal the first set and seize the initiative.
Kudryavtsev drew a rare scowl from Federer, however, when he won a furious baseline skirmish to break the Swiss's serve and claw back to 3-2 in the third set.
But the 26-year-old rued clipping a net cord in the next game that set up an easy backhand winner that allowed Federer to break back and cruise to victory.
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