Rafael Nadal has been one of the most consistent players at the Australian Open. Toru Hanai / Reuters
Rafael Nadal has been one of the most consistent players at the Australian Open. Toru Hanai / Reuters
Nadal and Dimitrov face tough contests: Australian Open matches to watch on Day 7
Fourth-round action begins in Melbourne as Wozniacki and Svitolina will also be seen in action
