1998 CA-TennisTrophy – Singles

Goran Ivanišević was the defending champion but did not compete that year.

Pete Sampras won in the final 6–3, 7–6(7–3), 6–1 against Karol Kučera.

Seeds

 * 1) 🇺🇸 Pete Sampras (champion)
 * 2) 🇦🇺 Patrick Rafter (quarterfinals)
 * 3) 🇪🇸 Carlos Moyà (first round)
 * 4) 🇨🇿 Petr Korda (second round)
 * 5) 🇸🇰 Karol Kučera (final)
 * 6)  Richard Krajicek (second round)
 * 7) 🇷🇺 Yevgeny Kafelnikov (first round)
 * 8) 🇬🇧 Tim Henman (quarterfinals)