Purchase tickets to watch a game at Partizan Stadium. If there's nothing on while you're in the area, you might like to check if they offer a tour of the grounds.
If you're spending a while in Savski Venac, Partizan Stadium is a fine place to kick off your exploring. This sporting facility is one of numerous attractions worth checking out here. Saint Sava Cathedral, Republic Square, and Rajko Mitić Stadium are also waiting to be explored nearby.