The questions that candidate Ashraf Ghani Ahmadzai faced from journalists indicated that most people in the country, including Ghani Ahmadzai himself, assume he will be named the winner.
His opponent, Abdullah Abdullah, conceded as much this week when he said he would not accept the "fraudulent" results expected to be announced by the election commission.
Talks toward a national unity government are deadlocked over what powers would be given to the losing candidate in a newly created role of chief executive.
Ghani Ahmadzai said his position signals his commitment to the rule of law.
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If the two cannot reach a deal soon, the election commission could be forced to announce a winner from the June runoff anyway. Still, Ghani Ahmadzai said, there would be time for an inclusive political deal.
"We believe in a government of national unity as a matter of principle. From the first day our team submitted our papers that has been our stance," he said. "A winner-take-all formula does not work in Afghanistan. We need to have an inclusive government."
After that it would be best for a deal before the swearing-in, he said. But if that date passes a deal could still be reached in his administration's first 45 days, which will be dedicated to forming a government, he said.
Ghani Ahmadzai downplayed the risk of violence from the political stalemate, saying the country is tired of conflict.
"We have never had a tense relationship," he said. "I have not exchanged one tense word with Dr. Abdullah.