Both city football derbies between Red Star and Partizan in the 2005–06 season were played without traditional support toward Partizan from the south stands. Although these matches used to gather up tens of thousands and even more fans to the stadiums, the infamous record was established this season when there was only a few thousand spectators on the Partizan stadium, since the rival fans also agreed to boycott the derby (but for other reasons).
In the 2005-06 season, Red Star and Partizan's city football derbies saw significantly reduced attendance.  While these matches used to draw large crowds, this season only a few thousand spectators attended the Partizan stadium due to a boycott by rival fans (but for reasons other than traditional support).