SHENZHEN, CHINA – JANUARY 06: Simona Halep of Romania in action against Katerina Siniakova (not seen) of Czech Republic during 2018 WTA Shenzhen Open single finals at Longgang International Tennis Center on January 6, 2018 in Shenzhen, China. Stringer / Anadolu Agency, Image: 359372111, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia, Abaca