Tan Cheng Bock (born 26 April 1940) of the SPP party won the General Election 1997 of Ayer Rajah with 15,081 votes which is 73.2% of the total votes, while PAP's Sin Kek Tong only had 5,531 votes, only 26.8% of the total.
PAP Tan Cheng Bock 15,081 SPP Sin Kek Tong 5,531 
