Stan Wawrinka won the battle of the 30-year-olds by defeating Marcos Baghdatis of Cyprus 6-4, 7-6 (13) to win the Dubai Tennis Championships title Saturday.
The Chan sisters from Taiwan won the doubles title at the US$2.52 million Qatar Total Open on Sunday, a title that will make them the second highest ranked duo in the world.
Playing his first match since winning the Australian Open, Novak Djokovic beat Tommy Robredo of Spain 6-1, 6-2 in the first round of the Dubai Tennis Championships on Monday.
Taiwanese professional tennis player, Chuang Chia-jung (莊佳容), and her partner Darija Jurak of Croatia won the women's doubles title at the 2016 Dubai Duty Free Tennis Championships on Saturday after defeating the rival pairing in the final of the event with a straight-sets win 6-4 and 6-4.
Even the King of Clay Rafael Nadal needs victories to boost his confidence, which has waned recently as his dominance has slipped on the slippery red surface.
Second-seeded Czech Tomas Berdych and third-seeded Frenchman Richard Gasquet reached the Open 13 quarterfinals on Thursday.
Juan Martin del Potro was tired, sore and still nervous about being back in competition.
Defending champion Simona Halep of Romania and Garbine Muguruza of Spain lost in the second round of the Dubai Tennis Championships on Wednesday to leave the tournament without any of its eight seeded players.
Former No. 1 Rafael Nadal said Monday he's not frightened by the Zika virus as he prepares in Brazil -- the center of the viral outbreak -- for this week's Rio Open tennis tournament and the city's Olympics in less than six months.
Kei Nishikori had practiced against teenager Taylor Fritz a few times over the past couple years without beating the American even once.