South Korea face Gabon on Wednesday with both sides still in with a chance of making the latter stages of the tournament.
Hong Myung-Bo's outfit need just a point to qualify for the quarter-finals, while the African side must win to have any hope of progressing.
South Korea have only qualified for the quarter-finals of the Olympics twice, while Gabon are making their first appearance at the Games this year.
Myung-Bo has no fresh injury concerns ahead of the encounter and is likely to continue with the same XI, while Gabon have Auxerre defender Henri Ndong out through suspension.
Possible lineups:
South Korea: Jung; Yoon, Y Kim, Hwang, C Kim; B Kim, Ki, Cheol, Nam; Park, Ji
Gabon: Ovono; Dinda, Manga, Engonga, Ndoumbou; Madinda, Tandjigora, Obiang, Boussounghou; Aubameyand, Ndong
Sports Mole says: 1-1