Australian Open officials say the world's top 102 women and top 101 men have confirmed that they will compete at the first Grand Slam tennis tournament of 2019.
World No. 1 Simona Halep heads up the women's field, and Novak Djokovic, seeking his record seventh Australian Open title, is the No. 1-ranked male player.
The tournament begins January 14 at Melbourne Park with Roger Federer and Caroline Wozniacki as singles defending champions.
Serena Williams, ranked No. 16, plans to make her return to Melbourne Park for the first time since winning in 2017 while eight weeks pregnant with baby Alexis Olympia.
Tournament officials said that Andy Murray, who is returning after an injury layoff, has entered using a protected ranking.