Jelena Jankovic of Serbia reacts after losing a point against Angelique Kerber of Germany during the semifinal of the WTA Qatar Ladies Open in Doha, Qatar, Saturday, Feb. 15, 2014. (AP Photo/Osama Faisal)
Poland's Agnieszka Radwanska returns the ball to Simona Halep of Romania during the semifinal of the WTA Qatar Ladies Open in Doha, Qatar,Saturday, Feb. 15, 2014. (AP Photo/Osama Faisal)
Angelique Kerber of Germany celebrates after winning a point against Jelena Jankovic of Serbia during the semifinal of the WTA Qatar Ladies Open in Doha, Qatar, Saturday, Feb. 15, 2014. (AP Photo/Osama Faisal)
Simona Halep of Romania celebrates as she defeats Poland's Agnieszka Radwanska during the semifinal of the WTA Qatar Ladies Open in Doha, Qatar, Saturday, Feb. 15, 2014. (AP Photo/Osama Faisal