Canada's Andre Ho returns the ball against compatriot Pierre-Luc Hinse during the final men's singles match of the North America Olympic Games table tennis qualifying tournament in Cary, N.C., Friday, April 20, 2012. Ho won the match. (AP Photo/Gerry Broome)

Canada's Chris Xu returns the ball against United State's Ariel Hsing during the final women's singles match of the North America Olympic Games table tennis qualifying tournament in Cary, N.C., Friday, April 20, 2012. (AP Photo/Gerry Broome)