With four candidates in the race, a split vote appears likely. Support for KMT candidate Huang Junying has been gradually growing, but in order to secure a wider voter base, on 25 November the three non-incumbent candidates-Huang, Chang Po-ya and Shih Ming-teh-held secret talks at which they agreed that the opposition forces needed to consolidate. However, they were unable to decide which of them should be the first to stand down.
由於出馬角逐的候選人有四位之多，有瓜分票源之虞，雖然國民黨參選人黃俊英的民調逐漸上升，但為凝聚泛藍票源，十一月二十五日，三位在野候選人黃俊英、張博雅、施明德曾秘會磋商，眾人一致同意在野勢力必須整合，但是由誰先退，並未取得共識。