Mo Zhang of Canada plays against Georgina Pota of Hungary during their table tennis match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016.(AP Photo/Petros Giannakouris)

Mo Zhang of Canada plays against Georgina Pota of Hungary during their table tennis match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016.(AP Photo/Petros Giannakouris)