Vilmantas Dilys came up big for Tartu Rock, scoring 23 points as his team defeated Sodertalje BK 76-72 on the road to advance from Group B in first place.
The big man, who joined Rock in late November, scored six points in the last 2:31, his last two free-throws effectively clinching the win at 75-70 with only seven seconds to play.
Sodertalje had to endure a horror start, watching Tartu open an 11-0 gap after only two minutes of play after Janar Talts converted a lay-up for the Estonians.
This basket seemed to be the wake-up call for the Swedish side as they clawed their way back into the game, Mantas Griskenas tying proceedings at 17.
The hosts even went up 24-21 after ten minutes but suffered a week second quarter, finding themselves down 39-43 at the half.
Tartu jump-started the third frame with four quick points, but it were Sodertalje who held the upper hand in that frame, going into the final quarter with the scores tied at 59.
It took Rock five minutes, before they were able to open a bigger gap once more, a Gert Dorbek jump-shot making it 65-60.
Tobias Borg and Toni Bizaca repeatedly reduced the deficit to three points, but Dilys always found the right answer, carrying his team over the finish line.
With Ventspils prevailing over Vienna in the other game of the Group, Sodertalje are left out of the Last 16 field with Rock taking first place ahead of Ventpils.