2000 Gelsor Open Romania – Singles

Alberto Martín was the defending champion but lost in the quarterfinals to Markus Hantschk.

Joan Balcells won in the final 6–4, 3–6, 7–6(7–1) against Hantschk.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇦🇷 Mariano Puerta (second round)
 * 2) 🇲🇦 Karim Alami (first round)
 * 3) 🇦🇹 Stefan Koubek (first round)
 * 4) 🇪🇸 Francisco Clavet (first round)
 * 5) 🇸🇪 Magnus Gustafsson (second round)
 * 6) 🇪🇸 Alberto Martín (quarterfinals)
 * 7) 🇪🇸 Albert Portas (quarterfinals)
 * 8) 🇪🇸 Álex Calatrava (semifinals)