Maria Sharapova and Andy Murray launched contrasting comebacks, but Serena Williams and Rafael Nadal finished the week on top again.
Agnieszka Radwanska, Juan Martin Del Potro, and David Ferrer headline fields in the week before the Australian Open.
Previewing events in Doha, Auckland, Chennai, and Shenzhen during the first week of 2014.
Two 17-time major champions hold the top seeds at a season-starting tournament in Australia.
Perth welcomes teams from eight nations, including Agnieszka Radwanska, Jo-Wilfried Tsonga, Petra Kvitova, and John Isner.
Two six-time major champions will join forces in 2014 as Becker seeks to guide Djokovic back to No. 1.
After a disappointing spring and summer, Novak Djokovic finished 2013 in style by toppling archrival Rafael Nadal at the World Tour Finals in London.
Santa makes his annual descent from the North Pole next week. What gifts might his sleigh hold for some of the leading men in tennis?
Wimbledon may be the most revered major, the US Open the most glamorous, and the Australian Open the most inviting. But Roland Garros recently has been the most dramatic major. Seven key narratives interwove there this year.