1989 Athens Open – Singles
Introduction Horst Skoff was the defending champion but did not compete that year.Ronald Agénor won in the final 6–3, 6–4 against Kent Carlsson.
Seeds #  Kent Carlsson ''(final)''#  '''Ronald Agénor (champion)'''#  Lawson Duncan ''(quarterfinals)''#  Fernando Luna ''(first round)''#  Andres Võsand ''(first round)''#  Martin Střelba ''(quarterfinals)''#  Ricki Osterthun ''(second round)''#  Francesco Cancellotti ''(quarterfinals)''
Draw ===Finals======Top half======Bottom half===
External links *  1989 Grand Prix Athens Open Draw