The 1998 Shanghai Open was a men's tennis tournament played on outdoor hard courts in Shanghai, China that was part of the World Series of the 1998 ATP Tour. It was the third edition of the tournament and was held from 5 October until 12 October 1998. Second-seeded Michael Chang won the singles title.
See main article: 1998 Shanghai Open – Singles. 
Michael Chang defeated Goran Ivanišević, 4–6, 6–1, 6–2
See main article: 1998 Shanghai Open – Doubles. 
Mahesh Bhupathi / Leander Paes defeated 
Todd Woodbridge / Mark Woodforde, 6–4, 6–7, 7–6