Ons Jabeur (top L) of Tunisia and Alison Riske of the United States (top R) of the United States compete with Anna-Lena Groenefeld (bottom R) of Germany and Demi Schuurs of the Netherlands during their doubles semifinal match at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 15, 2019. Anna-Lena Groenefeld/Demi Schuurs won 2-0. (Xinhua/Nikku)