The Asian nation could only secure a 1-1 draw with Russia on Tuesday evening, but a win over Algeria would see Hong Myong-Bo's team go into the match with Belgium in a qualification spot.
Lee Keun-Ho could be drafted into the starting lineup after coming off the bench to score against Russia.
The Desert Warriors stifled Belgium for large parts of the game before eventually being overpowered in the final quarter, but Halilhodzic will be confident that Algeria can earn a result in Porto Alegre.
South Korea: WLLWD
Possible starting lineups
South Korea: Sung-Ryong, Suk-Young, Young-Gwon, Heung-Min, Chu-Young, Lee-Young, Ja-Cheoi, Kook-Young, Sung-Yueng, Keun-Ho, Jeong-Ho
Algeria: Mbolhi; Bougherra, Ghoulam, Halliche, Mostefa; Feghouli, Medjani, Bentaleb, Taider; Mahrez, Soudani
Sports Mole says: 1-1