Updated: Tuesday, 02 September 2014 02:11 | By Agence France-Presse

Serena Williams into US Open quarter-finals

World number one and two-time defending champion Serena Williams reached the US Open quarter-finals on Monday with a 6-3, 6-3 win over Estonia's Kaia Kanepi. 


Serena Williams into US Open quarter-finals

Serena Williams serves to Kaia Kanepi during their 2014 US Open women's singles match on September 1, 2014 in New York - by Kena Betancur

The five-time champion will face fellow 32-year-old Flavia Pennetta for a place in the semi-finals.

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