Zhang Jike
He is also one of only five male players in the history of table tennis to achieve a career grand slam (World Champion, World Cup and Olympic gold medal winner in singles) (in 1992). The others are: Liu Guoliang, China (in 1999), Kong Linghui, China (in 2000), Zhang Jike, China (in 2012), and Ma Long, China (in 2016).