Algeria is up 2-0 over South Korea after two quick goals in the World Cup match on June 22.
Islam Slimani had a breakaway goal in the 26th minute while Rafik Halliche scored two minutes later.
Algeria is looking to stay alive in the tournament after losing its opening match to Belgium 1-2.
If it can beat Korea, then the team has a shot of advancing in the tournament. Belgium plays Russia on June 26.
See an Associated Press story from before the match below.
South Korea unchanged to face Algeria at Cup
PORTO ALEGRE, Brazil—South Korea chose to field an unchanged lineup from its opening 1-1 draw with Russia in its second Group H match on Sunday against Algeria at the World Cup.
The team failed to produce much attacking flair against Russia, but coach Hong Myung-bo choose to stick with Park Chu-young as the lead striker over Kim Shin-wook.
Algeria made five changes to the side that lost 2-1 to Belgium, starting with striker Islam Slimani in place of El Arabi Soudani.
Criticized for playing too defensively against Belgium, coach Vahid Halilhodzic has boosted his attacking lineup with a second forward, Abdelmoumene Djabou.
South Korea: Jung Sung-ryong, Lee Yong, Yun Suk-young, Kim Young-kwon, Hong Jeong-ho, Ki Sung-yeung, Han Kook-young, Son Heung-min, Lee Chung-yong, Koo Ja-cheol (captain), Park Chu-young
Algeria: Rais Mbolhi, Madjid Bougherra (captain), Djamel Mesbah, Aissa Mandi, Rafik Halliche, Sofiane Feghouli, Yacine Brahimi, Carl Medjani, Islam Slimani, Nabil Bentaleb, Abdelmoumene Djabou.