5:5 former Australian Open champions compete for the Australian Open (Williams Jr., Sharapova, Azarenka, Cobel, Wozniacki).
9: Compared with last year, the Australian Open produced nine new top 16 seeds.
11: A total of 11 players have the chance to hit the worlds No. 1 throne in Melbourne Park.
3:3 players entered the signing table with protective ranking: Bashinski, Sigmund and Matek Sands.
A 1:1 signing player withdrew (Van der Vey, left ankle injury).
3:3 Players who won their first Grand Slam seed seat: No.21 Wang Tan, No.29 Wikipedia and No.31 Martic.
67: Sabarenca has soared 67 places in the past 12 months. No 11 ranks 78th in the world in the same period last year, and Belarusians are eager to join TOP10 in the Australian Open.
10:5 seed Stevens, 8 seed Covetova and 11 seed Sabarenca had only 10 points in the Australian Open.
23: Williams Jr. continued to create the history of the Open with 23 Grand Slam champions.
9: Since the Open era, nine players have won the U.S. Open and Australian Open Championships back-to-back, and Naomi Osaka, the New Kosovo U.S. Open champion, will have an impact on this achievement. If successful, she will be the first player to achieve this feat after 2010 US Open and 2011 Australian Open champion Chris Stearns.
6: Since the Open era, the No. 1 seed has been defeated six times in the first round. The latest first-round cold-out of No. 1 seed took place at the US Open last year, when No. 1 female single Halepp lost to Carnegie in the first round. Halepp and Carnegie will play in the first round of the Australian Open on Tuesday.
25: Since the Open era, a total of 25 players have won Grand Slam Championships after the age of 30. The last player to achieve this was Cobel, who won the Wimbledon title last year.