Germany international Linda Frohlich erupted for 28 points and hauled down 14 rebounds as Broker Kosice finally put away a determined Lattes Montpellier 76-57.
The visitors from France led 39-38 with 4:51 remaining in the third quarter but they weren't able to hold off the Slovakian outfit.
Katarina Hrickova made a lay-up and Frohlich followed with two three-pointers to put the home side in front for good.
By the end of the quarter, Kosice had opened up a 52-41 advantage with Frohlich having scored 19 of her points.
Montpellier closed the gap to 52-46 in the fourth quarter but Sidney Spencer replied with a three-ball for Kosice to steady the nerves and they pulled away for a decisive win.
Kosice won for the fourth time in six games in Group D while strugglers Montpellier crashed to their sixth successive defeat.
Pauline Krawczyk finished with 16 points for Montpellier, who were out-rebounded 42-26.
Broker Kosice buried 11 of 23 shots from long range in the game.