Maks&Moorits had a solid start of the game and took a 16-9 lead after a pair of three-pointers Jonathan Dupre and Sasha Avalic.
Although the home team finished the first quarter with an 18-17 lead, it did not last long. Gintaras Kadziulis instigated a 15-0 run, after which the visitors took a 32-18 advantage.
Edi Sinanovic had trimmed the gap to six points after a quick 8-0 spurt by Valga, but Prienai had a response and restored a double-digit advantage before the final period, in which they sealed the deal.
Prienai’s captain Gintaras Kadziulis had a game-high 22 points, while Mindaugas Lukauskis collected 21 points. Laimonas Kisielius added 12 points and seven rebounds.
For the hosts, Jurijs Aleksejevs was the top-scorer with 14 points, with Edi Sinanovic scoring 13 points.