Han Xinyun (2nd R) of China and Luksika Kumkhum (1st L) of Thailand shake hands with Maria Sakkari of Greece and Donna Vekic (1st R) of Croatia after their women's doubles first round match at the Wimbledon Championships in London, Britain, on July 4, 2018. Han Xinyun and Luksika Kumkhum won 2-0. (Xinhua/Tang Shi)