Images from the matches played at the Australian Open on Sunday.
Serena Williams returned to the top of the world with a routine win at the China Open on Tuesday but Andy Roddick and Jelena Jankovic plumbed the depths when their title defences ended in their opening matches.
Top seed Andy Roddick beat fellow American Robby Ginepri 7-6, 7-6 and reach the Lyon Grand Prix quarter-finals.
Big-serving Andy Roddick crashed out of the Pacific Life Open on Sunday while second-seeded Russian Svetlana Kuznetsova advanced after a battling 6-1, 4-6, 6-3 win over Slovakia's Dominika Cibulkova. Much smoother progress was made by Swiss world number one Roger Federer, Australian Open champion Maria Sharapova and women's title-holder Daniela Hantuchova, who all won their respective matches in straight sets.
Novak Djokovic outgunned Andy Roddick in a high-quality shootout to set up a tantalising semi-final with four-times champion Roger Federer.
Andy Murray shrugged off a back injury to tame Andy Roddick 6-4, 6-2 and retain his title at the Qatar Open on Saturday. As Murray enjoyed the perfect build-up to the start of the Australian Open on Jan. 19, the result also earned him a ninth ATP trophy.
Andy Roddick has pounded down 56 aces this week, while Tommy Haas has yet to even face a single break point.
Andy Roddick was promoted from his ranking of four to be named second seed for Wimbledon championships
Andy Roddick defeated French wildcard Thierry Ascione in the first round of the Lyon Grand Prix.
Roger Federer was forced to dig deep during a 4-6, 7-6, 6-4 win Andy Roddick in the Masters Cup.
American brothers Bob and Mike Bryan were named ITF men's doubles champions.
The top seeded American could meet his former housemate, Nicolas Thomann, in the title round at the RCA championships
The world No. 1 came from behind to beat Andy Roddick 3-6, 6-3, 6-4 in the U.S. Clay Court Championships final on Sunday.