18-year-old Coco Gauff has reached the quarterfinals of the US Open

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 Became the second youngest player to reach the quarter finals

 Coco defeated China's Zhang Shuai in the fourth round

 He defeated Zhang Shuai 7–5, 7–5

 Melanie Oudin holds the record for the youngest to reach the quarterfinals of the US Open

Melanie reached the quarterfinals of the US Open in 2009 at the age of 17

  Now Coco Gauff will next face France's Caroline Gorcia