1999 ABN AMRO World Tennis Tournament – Singles

Jan Siemerink was the defending champion, but lost in the first round to Fabrice Santoro.

Yevgeny Kafelnikov won in the final 6–2, 7–6(7–3), against Tim Henman.

Seeds
• # 🇪🇸 Àlex Corretja (first round)

• # 🇷🇺 Yevgeny Kafelnikov (champion)

• # 🇬🇧 Tim Henman (final)

• # Richard Krajicek (second round)

• # 🇬🇧 Greg Rusedski (semifinals)

• # 🇸🇰 Karol Kučera (quarterfinals)

• # 🇸🇪 Thomas Enqvist (first round)

• # Goran Ivanišević (first round)

Qualifying seeds
• # 🇲🇦 Karim Alami (first round, withdrew)

• # 🇩🇪 Rainer Schüttler (qualified)

• # 🇨🇿 Martin Damm (qualifying competition)

• # Adrian Voinea (first round)

• # 🇸🇰 Ján Krošlák (qualified)

• # 🇩🇪 Hendrik Dreekmann (first round, withdrew)

• # 🇮🇹 Vincenzo Santopadre (qualifying competition)

• # 🇧🇬 Orlin Stanoytchev (first round)

Qualifiers
• # 🇦🇷 Gastón Etlis

• # 🇩🇪 Rainer Schüttler

• # Roger Federer

• # 🇸🇰 Ján Krošlák