1998 ABN AMRO World Tennis Tournament – Singles

Richard Krajicek was the defending champion, but lost in the semifinals to Jan Siemerink.

Jan Siemerink won in the final 7–6(7–2), 6–2, against Thomas Johansson.

Seeds

 * 1) 🇦🇺 Patrick Rafter (quarterfinals)
 * 2) 🇸🇪 Jonas Björkman (first round)
 * 3) 🇬🇧 Greg Rusedski (quarterfinals)
 * 4) 🇷🇺 Yevgeny Kafelnikov (first round)
 * 5)  Richard Krajicek (semifinals)
 * 6) 🇪🇸 Sergi Bruguera (second round)
 * 7)  Goran Ivanišević (first round)
 * 8)  (withdrew)