Vojvodina kept marching on as the only unbeaten team in the Nasa Liga, beating Beograd 94-80 in the 15th round of the competition.
The EuroCup participants are on the verge of becoming the first team to secure their place in the elite phase of the tournament, where Nasa Liga's best teams will join Partizan, Red Star, FMP and Hemofarm in the regional Adriatic League.
Vojvodina emerged winners in the clash of the undefeated Nasa Liga leaders and the league MVP in Cacak on Sunday.
Borac's Zoran Osmokrovic missed a game-winning shot at the buzzer as his team went down 77-76 to the EuroCup participants.
Unstoppable Vojvodina made it 11 wins in a row in the Serbian basketball championship by crushing second-placed city rivals Novi Sad, 83-71.
The hosts took control early on and stormed into a 58-31 lead in the third quarter before letting their opponents salvage pride with a late flurry of points.
CEZ Nymburk fell just short of qualifying from Group F of the EuroCup, despite topping Vojvodina Srbijagas 70-68 on Tuesday.
Radoslav Rancik scored a game high 24 points and 12 rebounds as the Czechs won a close encounter at the Sportovni Centrum Nymburk.
KK Vojvodina Srbijagas