Kerber into US Open quarter-finals
German second seed Angelique Kerber defeated Petra Kvitova 6-3, 7-5 to reach the US Open quarter-finals on Sunday.
She will play Italian seventh seed and 2015 runner-up Roberta Vinci for a place in the semi-finals.
German second seed Angelique Kerber defeated Petra Kvitova 6-3, 7-5 to reach the US Open quarter-finals on Sunday.
She will play Italian seventh seed and 2015 runner-up Roberta Vinci for a place in the semi-finals.