Players will also be able to claim 50 percent of their prize money if they pull out before their first match, an incentive designed to allow a replacement to play instead.
Tunisian Ons Jabeur is in Halep's quarter and opens her campaign against No. 16 seed Elena Vesnina.
Roger Federer will begin the defence of his title against the former Brit Aljaz Bedene and is in the same half of the draw as Novak Djokovic, although the Serb's participation is still in doubt as he comes back from an elbow injury. Nadal will open against Victor Estrella Burgos of the Dominican Republic. Djokovic has won 10 of his last 13 matches on hard court. He followed his run to the final in Melbourne by winning the French Open and U.S. Open, splitting the Grand Slam honours with Federer for the year.
Serena Williams, Svetlana Kuznetsova and Victoria Azarenka will be missing from the women's.
The Australian Open, the first grand slam of the 2018 season, starts Monday with everyone wondering if Roger Federer can repeat his remarkable victory 12 months ago. Dominic Thiem, the fifth seed, tackles Guido Pella.
If you wish for a deeper engagement with the region, Flanders also lends well to cycling. His opponents in finals were on average ranked 5.75.
So dominant was Djokovic since the loss to Nadal at the 2013 US Open that he outclassed the Spaniard 11 times in the next 13 meetings. The unpredictable nature of the women's sport in Serena's absence has paved the way for anyone to catch fire over two weeks and shock their way to the title. He triggered improvements in others too.
Australian bad boy Bernard Tomic was fined a third of his £35,000 ($47,500) prize money for unsportsmanlike conduct at Wimbledon, after saying he felt "bored" and "couldn't care less" following a straight-sets defeat on day one. But so did Federer.
The Frenchman found himself in more of a battle in the second set despite going up a double break for 3-0. Additional watch-ability, for one. So is Djokovic's match-up against World No. 1 Nadal.
"I don't usually like going to draws, I just want to see the sheet". The five-time champion could meet a one of the tour's biggest servers on tour in either No.13 seed Sam Querrey or former semifinalist Milos Raonic in the fourth round. I haven't played in six months. Now, having reached his first Grand Slam final last September, Anderson has added experience to go with the muscle.
It was naturally a welcome news to Australian Open director Craig Tiley. The American is 5th in the seeding. It's just that there is no one dominating, but it's up to them.
"This is not normal", Federer told a crowd of hundreds of fans before the draw on Thursday at Margaret Court Arena.
A second Aussie Open will make Nadal's trophy cabinet well-rounded for he has won all other Slams at least twice. He delayed his return until two exhibition appearances this week.
Melbourne is familiar territory and a fully-fit Djokovic is near-invincible here. As some of the most influential artists of 15-17th centuries, the Flemish Masters ensured Flanders' position at the forefront of art movements such as Primitive, Renaissance and Baroque.