Defending champion Aryna Sabalenka reaches 4th round at Australian Open
MELBOURNE, Australia — Defending champion Aryna Sabalenka and U.S. Open winner Coco Gauff swept to commanding wins at the Australian Open on Friday to reach the fourth round. Second-seeded Sabalenka beat Lesia Tsurenko, 6-0, 6-0, in 52 minutes, and No. 4-seeded Gauff lost just two games in beating fellow American...