Kilicdaroglu trailed by 2.5 million votes in the first round, however, it could be flipped on its head as it's thought that eight million people didn't vote in the first round.
As Turkey's longest-serving leader, Erdogan has been responsible for low interest rates in the country, and building Turkey's reputation and influence across the West. However, voters will be mindful of the attempted 2016 coup that he managed to outpace.
Kilicdaroglu has received backing from other far-right leaders, including the Republican People's Party.
Click here to sign up for our newsletters.
Join our commenting forum
Join thought-provoking conversations, follow other Independent readers and see their replies