Number two seed Roger Federer has secured his place in the third round of the US Open with a straight-sets win over Sam Groth.
The 33-year-old secured the first set as he managed to earn the crucial break of the Australian to take it 6-4.
Federer began to dominate the court with an array of groundstrokes, but was also strong at the net and secured another crucial break to win the second set 6-4.
Groth battled back in the third to earn a break of his own and held advantage on his service game to go 5-2 up in the set, but Federer showed his class to break back and earn a 6-4 victory.
The Swiss will now play Spain's Marcel Granollers in the third round.
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