The Rantau by-election sees a four-cornered fight between Barisan Nasional's incumbent Datuk Seri Mohamad Hasan, Pakatan Harapan's Dr S Streram and Independents Malar Rajaram and Mohd Nor Yassin.br br The by-election for Rantau was called after the Election Court nullified the results in GE14 following a petition by Dr Streram.