Table tennis player Zeng Zhiying left China all alone for an adventure in Chile in 1989. As her native country boiled with street protests that led to the Tiananmen Square massacre that year, she remained in the north of the South American nation, near the Atacama desert, working to make the sport grow there. “I came to watch the table tennis grandma,” said Chilean fan Gustavo Ibarra, 14, before Zeng's round-of-16 clash with American Lily Ann Zhang on Tuesday.