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.
Štefan Svitek (Maxima Broker head coach):
"Today, we have played against ourselves and we also have to defeat mostly ourselves. We were struggling in defence and received too much points in first half if you consider that the opponent had only one bigger forward. After the half-time defense was excellent and that was a base of a victory. We have received only four points in third and with significantly improved three-pointers we clinched important win."
Linda Frohlich (Maxima Broker forward):
"Fortunately, we won. I am very happy that we did because we had to win this one. After the previous losses it was initially difficult get a grip but we succeded."
Sheana Mosch (Montpellier shooting guard):
"We were in a very difficult situation. We were missing two key players, Bonnan and Whittington, both are injured. We have tried hard, but with incomplete squad it was too difficult."