Anett Kontaveit (R) of Estonia signs for the spectators after the singles semifinal match against Wang Qiang of China at the 2018 WTA Wuhan Open tennis tournament in Wuhan, central China's Hubei Province, on Sept. 28, 2018. Anett Kontaveit advanced to the final after Wang Qiang withdrew due to injury. (Xinhua/Xiong Qi)