Cameroon cameback from behind to a 3:3 pulsating encounter after taking the lead at the Al Janoub Stadium on Monday.
Both sides have just a point after two games at the World Cup after losing their respective first games at the World Cup.
Cameroon and Serbia chances of progressing looks slim with both sides having a keen interest in the game between Brazil and Switzerland this evening.
Unlucky Alexander Mitrovic received a pass inside the box in the 11th minute before hitting the left post.
Pierre Kunde forces Vanja Milinkovic-Savic to a brilliant reflex save to keep the game barren after 19 minutes of play.
Jean-Charles Castelletto buried home the opener from N'kolous knockdown from a corner on the 29th minute for Cameroon.
Milinkovic-Savic denies Pierre Kunde again after shooting low into the middle of the goal from a solo run with a minute to end the first half.
Strahinja Pavlovic heads at the back of the net from Dusan Tadic's perfectly taken free kick in the first minute of the additional time to equalise for Serbia.
Sergej Milinkovic-Savic scores from the edge of the box to give Serbia the lead in the third minute of the additional time to end the first half in front.
Aleksander Mitrovic taps into an empty net from Andrija Zivkovic's pass on the 53rd minute.
Vanja Milinkovic-Savic denies Vincent Aboubakar a goal on the 62nd minute before Aboubakar chipped home the second goal for Cameroon on the 63rd minute after VAR possible offside review.
Vincent Aboubakar found Eric Maxim Choupo-Moting inside the box before tapping home Cameroon's third goal to equalise for Rigobert Song's men.
By: Abdul Razak Salim