Karel Nováček defeated Magnus Gustafsson in the final, 6–3, 6–3, 5–7, 0–6, 6–1 to win the singles tennis title at the 1991 Hamburg European Open.
Juan Aguilera was the defending champion, but lost in the first round to Jordi Arrese.
Seeds
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
References
External links ITF tournament edition draws