Medellin CH 1998
Adriano Ferreira won the title, beating Rogier Wassen 6–0 6–4 in the final.
Main draw 32 players
- 1🇺🇸Glenn WeinerRound of 16 · Lost to Daniele Bracciali
- 3🇳🇱Rogier WassenFinal · Lost to Adriano Ferreira
- 4🇵🇪Alejandro AramburuQuarterfinals · Lost to Adriano Ferreira
- 5🇯🇵Hideki KanekoQuarterfinals · Lost to Rogier Wassen
- 6🇧🇷Adriano FerreiraFinal · Champion
- 7🇺🇸David CaldwellRound of 32 · Lost to Damian Furmanski
- 8🇨🇴Mario RinconRound of 32 · Lost to Jared Palmer
- 🇮🇹Daniele BraccialiSemifinals · Lost to Adriano Ferreira
- 🇺🇸Jared PalmerSemifinals · Lost to Rogier Wassen
- Q🇧🇷Cristiano TestaQuarterfinals · Lost to Jared Palmer
- 🇦🇷Martin GarciaQuarterfinals · Lost to Daniele Bracciali
- 🇦🇷Damian FurmanskiRound of 16 · Lost to Martin Garcia
- 🇮🇹Giuseppe MontenetRound of 16 · Lost to Jared Palmer
- Q🇨🇴Jaime CortesRound of 16 · Lost to Rogier Wassen
- WC🇨🇴Juan Camilo GamboaRound of 16 · Lost to Alejandro Aramburu
- WC🇨🇴Mauricio HadadRound of 16 · Lost to Hideki Kaneko
- WC🇨🇴Philippe MoggioRound of 16 · Lost to Cristiano Testa
- 🇧🇪Reginald WillemsRound of 16 · Lost to Adriano Ferreira
- 🇺🇸Adam PetersonRound of 32 · Lost to Rogier Wassen
- 🇦🇷Andy ZingmanRound of 32 · Lost to Hideki Kaneko
- Q🇨🇴David OlaveRound of 32 · Lost to Martin Garcia
- 🇮🇹Enzo ArtoniRound of 32 · Lost to Glenn Weiner
- LIBJicham ZaatiniRound of 32 · Lost to Juan Camilo Gamboa
- 🇧🇷Joao ZwetschRound of 32 · Lost to Jaime Cortes
- 🇺🇸Keith BrillRound of 32 · Lost to Giuseppe Montenet
- 🇺🇸Kristian CapalikRound of 32 · Lost to Adriano Ferreira
- LL🇨🇴Manuel LievanoRound of 32 · Lost to Philippe Moggio
- WC🇨🇴Michael QuinteroRound of 32 · Lost to Mauricio Hadad
- 🇨🇴Miguel Tobon#432Round of 32 · Lost to Reginald Willems
- LL🇧🇷Rodrigo FerreiroRound of 32 · Lost to Cristiano Testa
- 🇻🇪Yohny RomeroRound of 32 · Lost to Alejandro Aramburu
- 🇦🇹Zbynek MlynarikRound of 32 · Lost to Daniele Bracciali