104 tennis players have secured their places in the main draw of the Open championship of Australia-2019.
Williams reached the Wimbledon and U.S. Open finals after her return past year but lost both, leaving her one short of Australian Margaret Court's tally of grand slam singles titles.
Serena Williams will resume her quest for a record-equalling 24th grand slam title at the Australian Open in January.
That includes injury-prone Rafael Nadal and Andy Murray.
Williams' straight-sets defeat at Flushing Meadows was overshadowed by a row with umpire Carlos Ramos, who she labelled a "liar" and a "thief" after being penalised with a game penalty following code violations for on-court coaching, racket abuse and verbal abuse.
In the aftermath, Roger Federer said Williams "went too far".
The 37-year-old American won the tournament for the seventh time two years ago when she beat her sister Venus in the final while eight weeks pregnant with her daughter Alexis Olympia, who was born the following September.
The world's top 101 men and 102 women have all confirmed they will compete at next month's Open in Melbourne. Caroline Wozniacki will defend her women's singles champion title from 2018.
He further added, "I've been in touch with Rafa and he's back to full fitness after cutting his season short after Paris and can't wait to arrive in Australia".