Recep Tayyip Erdogan's main rival has given what he said was a 'last chance' for the Turkish president to take part in a television debate.
The 64-year-old Erdogan is standing for re-election in a presidential in a vote that could cement Turkey's switch from a parliamentary to a presidential system, which was narrowly approved in a referendum last year.
At a mass rally in the capital Ankara, Muharrem Ince, a fiery lawmaker from the secular Republican People's Party (CHP) had a message for Erodgan.
'Tomorrow is the last evening. If you have the courage, confront me,' he said.
Hundreds of thousand of supporters of Muharrem Ince, the main presidential candidate facing Erdogan, gather at rally in Izmir with his face projected on a giant screen
Supporters of Ince wave flags during the election rally in Izmir. The opposition is seeking to prevent Erdogan winning a fourth term as the country's leader
Muharrem Ince waving to supporters at a rally in Ankara, where he challenged Erdogan to a television debate
This week Erdogan he said he wants to become Turkey's 'grandmaster' and help his country become one of the world's