With Simona Halep missing the top seeds in Qatar are world number one Ashleigh Barty, and Sofia Kenin, fourth in the world and winner of the Australian Open in 2020.
Karolina Muchova staged a stunning comeback Thursday to upset Ashleigh Barty and storm into the Australian Open semi-finals
Australian Open 2021: World number one Ashleigh Barty defeated big-hitting Shelby Rogers 6-3, 6-4 in one hour and 11 minutes in the fourth round.
Australian Open: Ashleigh Barty's 6-2, 6-4 win over Ekaterina Alexandrova put her into the fourth round without dropping a set, as she bids to become the first Australian winner since Chris O'Neil in 1978.
Australian Open: Ashleigh Barty beat compatriot Daria Gavrilova 6-1, 7-6 (9/7) in the 2nd round.
Ashleigh Barty secured a comfortable win over Danka Kovinic on Tuesday without losing a game, as the top seed sailed into the second round of the Australian Open.
Yarra Valley Classic: World number one Ashleigh Barty wore down the two-time Grand Slam champion Garbine Muguruza 7-6 (7/3), 6-4 in one hour and 47 minutes to claim her ninth WTA singles title.
Serena Williams stepped up her preparations for the Australian Open with a 6-1, 6-4 win over Bulgaria's Tsvetana Pironkova on Wednesday at the Yarra Valley Classic.
Ashleigh Barty and Naomi Osaka got off to winning starts as they got their Australian Open preparations underway in Melbourne.
Australian Open: Despite not having to undergo a two-week quarantine, Ashleigh Barty doesn't believe her title chances have increased.
World number one Ashleigh Barty and 23-time Grand Slam champion Serena Williams will spearhead the two WTA tournaments in Melbourne ahead of the Australian Open
There was a question mark over Roger Federer, who warned this month he was in a "race against time" to be fit after two rounds of knee surgery but he has begun training in Dubai.
Novak Djokovic keeps his world no.1 ranking despite losing to Rafael Nadal in the French Open final.
Ashleigh Barty claimed the Brookwater Golf Club women's title near Brisbane with a commanding 7 and 5 triumph in the matchplay final.
The withdrawal of third-ranked Naomi Osaka means French Open will be missing two of the world's top three, after reigning champion Ashleigh Barty said earlier this month that she wouldn't return to defend her title.
World number one and defending French Open champion, Ashleigh Barty said it was a "difficult" decision but the health of her family and team came first.
Australian Ashleigh Barty retains the top spot although neither she nor world number two Simona Halep are taking part in the US Open.