A marginal lead for Flavio Bolsonaro with 47% against 46% for current president Luiz Inácio Lula da Silva is recorded by a new Datafolha poll ahead of the second round of the presidential elections on October 25. With a statistical error margin of ±2%, the contest is evolving into an absolute derby, continuing the pattern of the first round where the 45-year-old candidate had prevailed with 47.03% against 45.16% for his 80-year-old opponent.