Pierre-Hugues Herbert of France serves during the singles quarterfinal match against Tomas Berdych of Czech Republic at the ATP Qatar Open tennis tournament in Doha, capital of Qatar, Jan. 3, 2019. (Xinhua/Nikku) (Xinhua/ Nikku)
Djokovic back from one set down to reach Qatar Open semifinals
Source: Xinhua| 2019-01-04 08:30:36|Editor: Li Xia