Royal Waterloo Basket pulled away in the second quarter and held firm down the stretch to claim a 72–62 win at Braine-l'Alleud, extending the hosts' frustration in Group B play. Braine led early, stretching to 11–5 with 7:15 left in the opening frame, but Waterloo answered with a decisive 9–0 run midway through to seize control. By the end of Q1, Waterloo had built a 23–16 lead. The momentum carried into Q2, where Waterloo opened up their largest margin—11 points at 28–39 with 2:20 remaining in the half—before Braine steadied themselves slightly. Halftime read 39–31 in Waterloo's favor. The third quarter became a grinding affair, both sides trading baskets evenly. Waterloo maintained their cushion heading into the fourth at 55–47, then held Braine to just 15 points in the final frame while adding 17 of their own to secure the 10-point verdict. Maxime Renversez led Waterloo with 12 points on 5–9 shooting, adding 3 assists. Cedric Delbrassinne contributed 11 points and 5 rebounds, while Thomas Creppy anchored the offense with 8 rebounds and 5 assists despite a 4–13 shooting night. For Braine, Cedric Ringoet was efficient off the bench with 10 points on 3–3 three-point shooting, and Estime Vangu chipped in 9 points and 6 assists. Waterloo host KBBC Oostkamp on Friday. Braine travel to B.C. L'9 Flénu-Frameries the following day.