Partizan saw Rade Zagorac make the three-pointer at the buzzer and stun Crvena Zvezda at home (73-72) to even the Serbian League Finals (1-1).
Partizan were in front in the first half (17-9, 36-29). Yet, Zvezda turned things around and took the lead after that (47-53, 61-68).
The hosts reacted and went on a 9-2 run to tie the game (70-70). Mouhammad Faye brought his team close to the victory (70-72), but Zagorac beat the buzzer and handed Partizan a big home win over its rivals.
Marcus Paige led the winners with a game-high 19 points, whereas Faye had a team-high 14 points for the losing squad.
Game 3 of the best-of-five series will be played on June 15.