President Luiz Inacio Lula da Silva won Brazil's presidential election on Sunday (October 25), defeating right-wing Senator Flavio Bolsonaro in a runoff to secure a fourth non-consecutive term. SAO PAULO, Oct 25 (Reuters) - Leftist President Luiz Inacio Lula da Silva won Brazil's presidential election on Sunday, defeating right-wing Senator Flavio Bolsonaro in a runoff to secure a fourth.