While many of us eat and drink our way through the festive season, tennis pros - including Ana Ivanovic [pic courtesy of adidas] - are busy working on their fitness and honing their game ahead of the new season
Anne Keothavong headed to Stellenbosch University in South Africa for a winter training camp as she continues her recovery from a serious knee injury
After running up and down the steps of the rugby stadium, Keothavong found the energy to update her Twitter following: "As fast as you can up the big steps and little steps. Repeat until trainer gets bored."
Keothavong, who rose to a career-high 48th in the world early in 2009, is aiming to make a competitive return as part of Britain's Fed Cup squad in February
After a snorkelling trip to Bali, Aussie number one Sam Stosur, fresh from the best season of her career, returns to training ahead of the new season
Stosur finds some enviable locations for her training sessions as the world number 13 prepares to play in front of her home crowd down under
World number one Serena Williams opts to work out on court, partnering singer and tennis fan Sir Elton John at a charity event in Los Angeles
Meanwhile, Serena's sister Venus (right) takes on US Open champion Kim Clijsters in Antwerp, the Belgian coming out on top in her first match in front of her home fans since coming out of retirement
American teenager Melanie Oudin - wearing her trademark garish trainers - has been trying out the 'power band' to increase her strength and endurance
Oudin, 18, shot to fame at the US Open last year where she reached the quarter-finals in front of her home crowds. She rose 129 ranking places during 2009
Oudin will begin the season by partnering 6ft 9ins John Isner in the American team at the Hopman Cup in Perth
Following ankle surgery, Vera Zvonareva heads to Nick Bollettieri's renowned academy in Florida to recuperate. The Russian hopes to return to action in Hong Kong on 6 January
Anticipation is growing ahead of former world number one Justine Henin's return. The Belgian has beaten world number 12 Flavia Pennetta (pictured here) and Nadia Petrova in straight sets in exhibition matches
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