I know the cost of living and the hopelessness of young people," Kilicdaroglu told a rally last week.
Even if he prevails, Kilicdaroglu faces challenges keeping an opposition alliance including nationalists, Islamists, secularists and liberals united.
Many wonder whether Kilicdaroglu can defeat Erdogan, the country's longest-serving leader, whose campaigning charisma has helped deliver more than a dozen election victories.
HEALING OLD WOUNDSBefore entering politics, Kilicdaroglu worked in the finance ministry and then chaired Turkey's Social Insurance Institution for most of the 1990s.
"I have been boycotting the elections since 2018 but I will vote for Kemal Kilicdaroglu this time.