|Champion Fernando Meligeni|
Final score 6–1, 6–4
|Runner-up Ctislav Doseděl|
The 1998 Prague Open was a men's tennis tournament played on Clay in Prague, Czech Republic that was part of the International Series of the 1998 ATP Tour. It was the twelfth edition of the tournament and was held from 27 April – 3 May 1998.
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.