1998 Legg Mason Tennis Classic – Singles

The 1998 Legg Mason Tennis Classic was a men's tennis tournament played on outdoor hard courts in Washington, D.C., United States, that was part of the International Series Gold of the 1998 ATP Tour. It was the twenty-ninth edition of the tournament and was held 20 July – 26 July.

Seeds
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated. • #🇺🇸 Michael Chang (semifinals)

• #🇺🇸 Andre Agassi (champion)

• #🇿🇦 Wayne Ferreira (semifinals)

• #🇿🇼 Byron Black (third round)

• #🇧🇪 Scott Draper (quarterfinals)

• #🇺🇸 Vince Spadea (quarterfinals)

• #🇺🇸 Jim Courier (quarterfinals)

• #🇳🇱 Sjeng Schalken (second round)

• #🇺🇸 Jeff Tarango (second round)

• #🇦🇺 Andrew Ilie (second round)

• #🇮🇹 Gianluca Pozzi (third round)

• #🇺🇸 Jan-Michael Gambill (first round)

• #🇩🇰 Kenneth Carlsen (first round)

• #🇦🇺 Scott Draper (final)

• #🇨🇿 Martin Damm (third round)

• #🇨🇿 Daniel Vacek (first round)