Serena Williams books place in round four

Serena Williams has secured her place in the fourth round of the Australian Open with a straight-sets win over Daniela Hantuchova on Rod Laver Arena.

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The world number one was forced to defend two break points early in the first set, but went on to break her opponent at 3-2 before taking the opener 6-3.

Williams broke at the first time of asking in the second set, only for the Slovakian to hit back shortly after to make it 3-3.

However, the American soon got into her stride and took all three of the remaining games to clinch the second set 6-3 and set up a fourth-round clash with either Sam Stosur or Ana Ivanovic.