Djokovic, Li, Wozniacki win fourth-round matches
MELBOURNE, Australia (AP)—Caroline Wozniacki moved into the Australian Open quarterfinals with a 6-3, 6-4 win over Anastasija Sevastova on Sunday and is just one victory from ensuring she’ll retain the top ranking. The 20-year-old Dane, playing her first major as world No. 1, reached the quarterfinals at Melbourne Park for