Ma's supporters at Sunday's campaign rally. Ma Ying-jeou, president of the Nationalist Party, and Tsai Ing-wen, president of Democratic Progressive Party president  went into the last-minute battle on January 8th, which is called "Super Sunday", the last Sunday before the presidential election. Both Ma and Tsai held massive campaign rally with only 5 days left before voters go to the ballot box. The Taiwan Presidential Election will be on January 14th.