1998 Great American Insurance ATP Championships – Singles

Patrick Rafter defeated the defending champion Pete Sampras in the final, 1–6, 7–6(7–2), 6–4 to win the singles tennis title at the 1998 Cincinnati Masters.

Seeds
The top eight seeds received a bye to the second round. • #🇺🇸 Pete Sampras (final)

• # Marcelo Ríos (second round)

• #🇨🇿 Petr Korda (quarterfinals)

• #🇪🇸 Carlos Moyà (second round)

• #🇦🇺 Patrick Rafter (champion)

• #🇸🇪 Jonas Björkman (second round)

• #🇷🇺 Yevgeny Kafelnikov (semifinals)

• # Richard Krajicek (third round)

• #🇪🇸 Álex Corretja (second round)

• #🇺🇸 Andre Agassi (second round)

• #🇬🇧 Tim Henman (first round)

• #🇪🇸 Álbert Costa (second round)

• #🇪🇸 Alberto Berasategui (first round)

• # Goran Ivanišević (third round)

• #🇪🇸 Félix Mantilla (first round)

• #🇫🇷 Cédric Pioline (second round)