Halcon Avenida underlined their strength in EuroLeague Women Group C as they secured top spot with a 75-64 victory over second-placed Spartak Moscow Region.
The hosts broke open a tight contest early in the second half, with Erika de Souza scoring five points in a 13-5 run then put them up 50-42.
A three-pointer from Anna Montanana at the end of the period made it 56-45 and an 8-0 run - capped by an alley-oop basket from Montanana - early in the fourth quarter gave them enough breathing space to cruise to the finish.
Alba Torrens led Halcon with 19 points, while Sancho Lyttle had 15, Montanana 14 and De Souza 12, as well as a massive 16 rebounds.
Jelena Milovanovic led Spartak with 17 points while Sue Bird had 13.