Kvitova ends Kerber's defence in Sydney

By Scott Bailey
Updated January 11 2019 - 12:31am, first published 12:24am
Defending champion Angelique Kerber has been knocked out of the Sydney International.
Defending champion Angelique Kerber has been knocked out of the Sydney International.

Petra Kvitova has ended Angelique Kerber's title defence at the Sydney International, upsetting the World No.2 6-4 6-1 by in the quarter-finals on Thursday night.