1998 Romanian Open – Singles

The 1998 Romanian Open was a men's tennis tournament played on Clay in Bucharest, Romania that was part of the World Series of the 1998 ATP Tour. It was the sixth edition of the tournament and was held from 14 September – 21 September.

Seeds
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated. • #🇪🇸 Francisco Clavet (champion)

• #🇦🇺 Richard Fromberg (second round)

• #🇸🇰 Dominik Hrbatý (first round)

• #🇪🇸 Carlos Costa (second round)

• #🇦🇺 Andrew Ilie (first round)

• #🇪🇨 Nicolás Lapentti (second round)

• #🇦🇷 Mariano Puerta (first round)

• #🇪🇸 Julián Alonso (quarterfinals)