A scientist from Northwestern University in Illinois has claimed to have solved the debate over who is the best male tennis player of all time.
Serena Williams' absence from tennis could stretch to almost a year after two new health scares - a blood clot in her lungs followed by a hematoma have added to her injury woes.
Vera Zvonareva denied Caroline Wozniacki a Middle East double by winning their Qatar Ladies Open final 6-4, 6-4 on Saturday.
After winning the Australian Open for a second time, Novak Djokovic said he had the confidence to win any other tournament. He sure demonstrated that at the Dubai Championships.
Vera Zvonareva came from 5-3 down in the deciding set to beat Daniela Hantuchova of Slovakia 7-5, 6-7 (5), 7-5 in a thrilling quarterfinal of the Qatar Ladies Open on Thursday.
Seeded players Francesca Schiavone, Li Na and Shahar Peer were beaten in straights sets in the second round of the Qatar Ladies Open on Wednesday.
Top seed Andy Roddick of the United States said he was ill and pulled out of the ATP Delray Beach International Championship on Monday.
Chinese tennis player Li Na will attend the Qatar ladies open in Doha from Feb 21 to 26, 2011.
Caroline Wozniacki took just 75 minutes to defeat 16th seeded Russian Svetlana Kuznetsova 6-1 6-3 in the final of the Dubai championships on Sunday.
Caroline Wozniacki regained the world No 1 ranking from Kim Clijsters in the strangest surroundings on Friday as a 6-2, 6-4 win over Shahar Peer carried her into the semifinals of the Dubai Open.
Li Na, who became the first Chinese player to reach a Grand Slam singles final last month in Melbourne, followed it by missing four successive match points to lose her opening match in the Dubai Open on Wednesday.
Caroline Wozniacki's first match since losing the world No 1 ranking ended dramatically on Wednesday at the Dubai Championships when opponent Anna Chakvetadze collapsed on court while serving for the second set.