Al Wasl raised its score to 21 points, while Baniyas' balance froze at 11 points in ninth place.
Argentine Tomás Chancalay put Al Wasl ahead, opening the scoring in the 10th minute.
Bani Yas responded quickly with the equalizer, through Brazilian Rafael Elias in the 13th minute, and Al Wasl returned to advance before the end of the first half with the second goal, by Fabio Lima, in the 46th minute.