Murray has two ATP tournaments to his name this year, winning the Qatar Open and Open 13 in Marseille.

BBC: Murray drops out of world top 20

In other ATP action Saturday, France's Richard Gasquet beat Nikolay Davydenko of Russia 3-6 7-6 6-3 to win the Qatar Open title.

CNN: STORY HIGHLIGHTS

Roger Federer and Rafael Nadal remain on course to meet in the final of the Qatar Open after both claimed quarterfinal wins on Thursday.

CNN: Henin and Clijsters reach Brisbane semis

This will be the first event for both the top-ranked Williams and No. 2 Azarenka since they faced off in the Qatar Open final Feb. 17.

WSJ: Rafael Nadal ready to test knee on hard courts

Williams said her back also troubled her in last week's Qatar Open, where she was beaten in the final by the Belorussian, who withdrew from the Dubai championships with a foot injury.

CNN: STORY HIGHLIGHTS

No. 1 Federer brushed aside unseeded Belgian Christophe Rochus 6-1 6-2 in the first round of the Qatar Open in Doha, while second seed Nadal was similarly untroubled in defeating Italy's Simone Bolelli 6-3 6-3.

CNN: Federer and Nadal cruise as nemesis Soderling crashes out

Recent agreement for the Taliban to open an office for negotiations in Qatar is another way of prising the group away from Pakistan and has brought a formal peace process a little closer.

ECONOMIST: Afghanistan: Too close for comfort | The

Small gallery spaces and exhibitions are open to the public year round and the Qatar Museums Authority runs a large space where it has recently shown international photographic exhibits.

BBC: Qatar��s culture heartbeat, if you can find it

The 10th-ranked Frenchman has a 14-1 record in 2013, having won the Qatar title in January before losing in the fourth round of the Australian Open.

CNN: Nadal poised for Chile comeback double

Sharapova lost to the 31-year-old when she was just 15, back in 2003 at the Australian Open, but has won their last four meetings including a last-16 match in Qatar this year.

CNN: Djokovic, Sharapova battle into last 16 in windy Miami