South Korea beat Hong Kong 3-1 to set up a men's team table tennis bronze medal play-off against Austria.
Korea's Oh Sang-Eun powered past Cheung Yuk before veteran Li Ching levelled by with an upset victory over Athens 2004 singles champion Ryu Seung-Min.
Yoon Jae-Young and Ryu Seung-Min put Korea ahead again with a doubles win over Li Ching and Ko Lai Chak before Ko lost to Oh in the decisive fourth game.
Austria beat Japan by the same margin in the other match.
Monday's final sees favourites China take on Germany.
In the women's final, China play Singapore later Sunday.