St.-Truidense held off a spirited second-half comeback to take down Union BC Quaregnon 77–66 in Group A play, pulling away late to secure an 11-point margin that felt harder-fought than the scoreline suggests. The game stayed tight early. St.-Truidense led 21–20 after one, then extended to 36–33 at half-time with a 15-point second quarter. Union BC Quaregnon clawed back with an 8-0 run in the third that closed the gap to 41–40 mid-quarter, but St.-Truidense answered with a 20–12 third-quarter edge to reach 56–45 heading into the fourth. The home side's cushion ballooned to as much as 13 points with 15 seconds left, though Union BC Quaregnon matched St.-Truidense 21–21 in the final frame to make it respectable. Rune Ponsaers and Lenn Leenen powered St.-Truidense's attack. Ponsaers finished with 18 points and 8 rebounds on 8-of-17 shooting, while Leenen added 18 points on 6 of 14 with four three-pointers and 7 assists. Noa Lacrosse contributed 11 points and 6 boards on efficient 4-of-6 work from the floor. Anthony Tshiteya-Tshimbula led Union BC Quaregnon with 19 points on 7-of-12 shooting and a pair of threes, but lacked enough support to bridge the gap. Sven Poisson chipped in 11 points on limited volume. St.-Truidense visit Royal Nivelles Basketball on Sunday 20 September.