In 2004, as the Prime Minister, Yanukovych participated in the controversial Ukrainian presidential election as the Party of Regions candidate. Yanukovych's main base of support emerged from the southern and eastern regions of Ukraine, which favor close ties with neighbouring Russia. In the first round of voting held on 31 October 2004, Yanukovych took second place with 39.3 percent of the votes to opposition leader Viktor Yuschenko with 39.8 percent. Because no candidate passed the 50 percent threshold, a second round of voting was scheduled.