Matwe Middelkoop (Up,R)/Yang Zhaoxuan (Up, L) shake hands with their opponents after the mixed doubles quarter-final match between Matwe Middelkoop of the Netherlands/Yang Zhaoxuan of China and Bruno Soares of Brazil/Nicole Melichar of the United States at the 2019 Wimbledon Tennis Championships in London, Britain, July 11, 2019. (Xinhua/Lu Yang)