Gauff, Mmoh plot second-round upsets in Melbourne

American teenager Coco Gauff will be eager to pull off another upset in her fledgling career when she faces fifth seed Elina Svitolina, while compatriot Michael Mmoh will be hoping to upset Rafael Nadal in the Australian Open second round on Thursday.

Gauff, 16, was one of the Australian Open’s biggest success stories last year as she stunned Venus Williams, Sorana Cirstea and Naomi Osaka en route to the fourth round.

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Early exits at the US Open and Roland Garros last year halted her rise but she showed signs of returning to her best in her opening-round thrashing of Jil Teichmann to book a first meeting with Ukrainian Svitolina.