1999 Generali Open – Singles

Albert Costa was the defending champion and successfully defended his title, by defeating Fernando Vicente 7–5, 6–2, 6–7(5–7), 7–6(7–4) in the final.

Seeds
All seeds received a bye to the second round. • # 🇷🇺 Yevgeny Kafelnikov (semifinals)

• # 🇸🇰 Karol Kučera (third round)

• # 🇪🇸 Àlex Corretja (third round)

• # 🇩🇪 Tommy Haas (second round)

• # 🇪🇸 Albert Costa (champion)

• # 🇪🇨 Nicolás Lapentti (quarterfinals)

• # 🇧🇷 Fernando Meligeni (quarterfinals)

• # 🇲🇦 Younes El Aynaoui (second round)

• # 🇺🇦 Andrei Medvedev (third round)

• # 🇷🇺 Marat Safin (second round)

• # 🇦🇷 Franco Squillari (second round)

• # 🇲🇦 Hicham Arazi (third round)

• # 🇪🇸 Fernando Vicente (final)

• # 🇨🇿 Daniel Vacek (third round)

• # 🇦🇹 Stefan Koubek (semifinals)

• # 🇪🇸 Alberto Martín (third round)