Serena Williams says no-one knows her game better than her big sister. Photo: Reuters Serena Williams says no-one knows her game better than her big sister. Photo: Reuters
Serena Williams says no-one knows her game better than her big sister. Photo: Reuters

Sister act at US Open as Venus Williams stands in way of Serena’s grand slam quest

Pair will meet for the 27th time in quarter-final with Serena having the edge in recent matches

Topic |   US Open tennis 2015
Serena Williams says no-one knows her game better than her big sister. Photo: Reuters Serena Williams says no-one knows her game better than her big sister. Photo: Reuters
Serena Williams says no-one knows her game better than her big sister. Photo: Reuters
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