First round proper consisted of 16 single-legged matches, with 16 winners of the preliminary round joined by 16 clubs with the highest cup coefficients (including 10 out of the remaining 12 top level clubs, excluding
Lučko and
Lokomotiva, whose cup coefficients were too low to enter competition). The draw for the first round was held on 29 August, where the club with the lowest cup coefficient hosts the one with the highest and so on. Matches were played on 20 and 21 September 2011. By the mutual agreement of Jadran Gunja and Hajduk Split, their fixture was moved to 15 September. • Match played on 20 September. ==Second round==