South Korea defeated Bahrain 3-0 in the men's football competition of the Hangzhou Asian Games in China on Sunday to win all three group stage matches with 16 goals.
The side claimed victory in its final Group E match at Jinhua Sports Centre Stadium in Jinhua as Lee Han-beom, Paik Seung-ho and Goh Young-jun scored one each in the second half.
South Korea had already secured a berth for the knockout stage by beating Kuwait and Thailand in its previous group matches.
With nothing at stake on Sunday, head coach Hwang Sun-hong started Paris Saint-Germain midfielder Lee Kang-in to check his condition, with a good performance put in before his substitution in the 36th minute.
South Korea will take on Kyrgyzstan on Wednesday.