All matches in the preliminary round and the semifinals were played best out of three sets, the third place match and the Gold Medal match were played best out of 5 as normal senior tournaments.
The competition system for the second Girls' U16 South American Championship consisted of two rounds, the first round was a Round-Robin system. Each team played once against each of the 7 remaining teams with each team playing two matches in a day against different teams.
According to the final ranking in the first round, the best four teams played in the semifinals (1º VS 4º and 2º VS 3º), the winners played for the Gold Medal while the losers played for the Bronze Medal.[2]
The first round matches were divided in two parts, the first part saw the top three teams plus the host (Colombia, Brazil, Peru and Argentina) play the other four teams (Chile, Paraguay, Uruguay and Bolivia), this part was played for two days, the second part had the remaining matches between the groups, this round was played for a day and a half.