TAIPEI, May 25  -- Tsai Ing-wen was elected as the chairwoman of Taiwan's main opposition Democratic Progressive Party (DPP) on Sunday.

She won the victory against her only competitor Kuo Tai-lin, former deputy county chief of Kaohsiung, in the vote for the party's new chief.

According to the DPP plan, Tsai will replace the incumbent chairman Su Tseng-chang after the DPP confirm the election result on May 28.