Venus Williams reaches the Australian Open quarter-finals/Photo: Getty Images

Venus Williams has advanced to the quarter-finals of the Australian Open for the seventh time after dispatching Germany’s Mona Barthel.

The seven-time Grand Slam winner defeated the German 6-3 7-5 in Melbourne

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The 36-year-old next faces faces Anastasia Pavlyuchenkova, who beat fellow Russian Svetlana Kuznetsova 6-3 6-3.

Meanwhile, world number one and defending champion Angelique Kerber confronts American Coco Vandeweghe later on Sunday.

In another game, seventh seed Garbine Muguruza of Spain plays Romanian Sorana Cirstea in the top half of the draw.