1989 Mercedes Cup – Singles
Andre Agassi was the defending champion, but did not compete this year.
Martín Jaite won the title by defeating Goran Prpić 6–3, 6–2 in the final.
Andre Agassi was the defending champion, but did not compete this year.
Martín Jaite won the title by defeating Goran Prpić 6–3, 6–2 in the final.