If Istanbul is the determinant, it potentially might cost Erdoğan. Istanbul is known for its lukewarm attitude towards Erdoğan in contrast to Kiliçdaroğlu who is seen more favourably.Istanbul shall be the determinant, and whomever pulls Istanbul wins the day.
Thus far, with 43% of votes in,
Erdoğan clinched 47.48% votes in the metropolitan whilst Kılıçdaroğlu is at 47.58%.