DOHA, Feb. 15, 2018 (Xinhua) -- Julia Goerges of Germany celebrates during the single's second round match against Barbora Strycova of the Czech Republic at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Julia Goerges won 2-1. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Alize Cornet of France serves during the single's second round match against Karolina Pliskova of Czech Republic at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Karolina Pliskova won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Karolina Pliskova of Czech Republic celebrates after winning the single's second round match against Carina Witthoeft of Germany at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Karolina Pliskova won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Jelena Ostapenko of Latvia reacts during the single's second round match against Mihaela Buzarnescu of Romania at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Jelena Ostapenko lost 0-2. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Monica Niculescu of Romania hits a return during the single's second round match against Magdalena Rybarikova of Slovakia at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Magdalena Rybarikova retired due to injury. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Julia Goerges of Germany hits a return during the single's second round match against Barbora Strycova of Czech Republic at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Julia Goerges won 2-1. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Carla Suarez Navarro of Spain hits a return during the single's second round match against Johanna Konta of the Great Britain at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Johanna Konta won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Johanna Konta of the Great Britain hits a return during the single's second round match against Carla Suarez Navarro of Spain at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Johanna Konta won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Caroline Wozniaki of Denmark celebrates after the single's second round match against Carina Witthoeft of Germany at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Caroline Wozniaki won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Mihaela Buzarnescu of Romania celebrates after the single's second round match against Jelena Ostapenko of Latvia at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Mihaela Buzarnescu won 2-0. (Xinhua/Nikku/IANS)moreDOHA, Feb. 15, 2018 (Xinhua) -- Carina Witthoeft of Germany serves during the single's second round match against Caroline Wozniaki of Denmark at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 14, 2018. Caroline Wozniaki won 2-0. (Xinhua/Nikku/IANS)more