Your essential rundown of all that's different in 2014 - the drivers, venues, cars, rules and points scoring.
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The German reached the final of Wimbledon last year but has yet to replicate that form at the other grand slams.
The Serb has shown signs of improvement but is still a long way off the form which saw her reach No 1 in the world.
Last year's semi-finalist will want to make another step forward at the 2014 Australian Open.
Halep was the breakout star of 2013 but will now look to translate her good WTA Tour form onto the biggest stage.
The 2008 champion may have to shake off some rust after missing the latter part of last season due to injury.
The former world No 1 has fought her way back into the top 10 and is enjoying something of a resurgence.
The British No 1 will turn 20 during the Australian Open and many think the time has come for her to deliver on her potential.
The former world No 1 is aiming to end the miserable run she has endured at the grand slams over the last two years.
The former Wimbledon champion is showing signs of improvement after threatening to stagnate in early 2013.
Li will be hoping to reach a third final in Melbourne having enjoyed the one of the best years of her career in 2013.
Kerber is a solid operator and two-time grand slam semi-finalist but her strong run of form has cooled slightly.
The tiny Italian is now firmly established as a consistent top 10 player after exploding onto the scene in 2012.
The Pole will be hoping to make a step forward after reaching the quarter-finals on four different occasions.
Now established as the second best player in the world, Azarenka will be chasing a third straight title in Melbourne.
The world No 1 was unstoppable at times last season but has not won the Australian Open for four years.
The Italian was on an upward curve in 2013 but saw her form drop off slightly towards the end of the campaign.