Before Monday's announcement of a failed drug test at the Australian Open, Maria Sharapova had played just three tournaments in the past eight months. Sharapova has won a singles title in each of the previous 13 seasons, the 4th-longest streak by any woman in the Open Era.

Maria Sharapova, the five-time Grand Slam champion, stands as just one of 10 women all-time to complete the Career Grand Slam (winning a title at all four major tournaments). Her five major titles are the third-most among active players behind Serena Williams (21) and Venus Williams (7).

Maria Sharapova has won $36.8 million in prize money, the second-most in WTA history behind Serena Williams who has totaled $75.4 million in career prize money.

Novak Djokovic won his sixth Australian Open title, tied for most all time. It's his 11th Grand Slam title, tied for fifth all time.

Novak Djokovic is the fifth man in the Open Era to win six or more titles at one Grand Slam.

Serena Williams lost for the first time in an Australian Open final (was 6-0 entering the match).

Serena Williams lost for the first time in a three-set Grand Slam final (was 8-0 entering the match).

Angelique Kerber earned her first Grand Slam title of career. She is the second German woman in the Open Era to win a Grand Slam title (other was Steffi Graf).

Angelique Kerber was the first left-handed woman to win the Australian Open since Monica Seles in 1996.

Serena Williams defeated Maria Sharapova in the quarterfinals of the Australian Open, improving to 19-2 in her career vs the Russian.

Serena Williams has now won 18 straight matches against Maria Sharapova, taking 36 of a possible 39 sets.