- Tag results for Grand Slam
Serena Williams, now 37, has kept a low profile in the lead-up to the opening Grand Slam of the year, avoiding any pre-tournament press conferences to focus on her game.
He has won two other grand slams and is the lone man to win back-to-back Olympic singles gold medals.
Roger Federer used the Hopman Cup as his launching pad for winning the past two Australian Opens.
The 37-year-old was rusty and down an early break but did enough to record a comfortable 7-6 (3), 6-2 victory in one hour and 44 minutes in the women's singles match.
The 31-year-old Djokovic is currently six majors behind Federer and three adrift of Rafael Nadal, but is likely to keep up the pressure on his rivals this upcoming season.
Here's a quick recap of the major events in Women's Tennis this past year.
Having indicated last year that the Australian Open, French Open, Wimbledon and the US Open would only have 16 seeds from 2019.
Novak Djokovic clinched his third US Open title on Sunday with a 6-3, 7-6 (7/4), 6-3 triumph over Juan Martin del Potro, taking him level with Pete Sampras's mark of 14 Grand Slams.
Osaka, who won the Indian Wells Masters tournament in March, fired nine aces and produced 32 unforced errors, 10 fewer than her Belarussian opponent, in a gusty defensive performance.
For players such as Novak Djokovic, rejuvenated after an ice bath during his first match, the benefit of an extreme heat policy at the U.S. Open has been clear.
The 21-year-old German, ranked fourth in the world, is part of the highly-touted "NextGen" crop of 20-somethings who are making an impact on the ATP Tour.
Serena Williams had shrugged off an even bigger disappointment two weeks earlier -- a 6-1, 6-0 loss to Johanna Konta in San Jose.
With Williams' withdrawal, Germany's Tatjana Maria gains direct entry into the draw. She'll face France's Alize Cornet in the first round.
Stich won his only Grand Slam singles crown at Wimbledon in 1991, while Sukova has captured nine Grand Slam women's doubles crowns and five mixed doubles titles.
The match ended in twilight, a fitting metaphor for Sharapova who slipped to her first ever opening round defeat at the All England Club where she first burst upon the scene in 2003.