Goran Prpić was the defending champion, but did not compete this year.
Dimitri Poliakov won the title by defeating Javier Sanchez 6–4, 6–4 in the final.
Seeds
Draw
Finals
Top half
Bottom half
References
External links Official results archive (ATP)
Bron en licentie
Gebaseerd op: Wikipedia — 1991 Yugoslav Open – Singles · auteursgeschiedenis.
Tekst: CC BY-SA 4.0.
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