Serena Williams to play in Australian Open four months after giving birth

Serena Williams has entered to play in January's Australian Open—her first Grand Slam appearance since giving birth to her first child— according to CNN and Australian Open officials.

The 36-year-old Williams won the Australian Open last year when she competed while approximately eight-weeks pregnant.

Williams gave birth in September to her daughter Alexis Olympia Ohanian with husband and Reddit co-founder Alexis Ohanian.