The 1998 IPB Czech Indoor was a men's tennis tournament played on indoor carpet courts in Ostrava, Czech Republic that was part of the World Series of the 1998 ATP Tour. It was the fifth edition of the tournament and was held from 19 October until 25 October 1998. Second-seeded Andre Agassi won the singles title.
See main article: 1998 IPB Czech Indoor – Singles. 
Andre Agassi defeated 
Ján Krošlák, 6–2, 3–6, 6–3
See main article: 1998 IPB Czech Indoor – Doubles. Nicolas Kiefer / David Prinosil defeated David Adams / 
Pavel Vízner, 6–4, 6–3.