Five minutes before the interval, Deniz Yilmaz gave the visitors the lead after he got the better of Zydrunas Karcemarskas from the penalty spot.
Umar was brought on in place of Luiz Carlos before the restart but had to wait until the 85th minute to help Mustafa Resit Akcay’s side rescue a point.
The 22-year-old has now scored three times in 17 Turkish topflight appearances. And the result leaves the Osmanli Stadium outfit in 10th position on the log after garnering 24 points from 31 games.
In their next league encounter, the Ottomans travel to take on 12th placed Kasımpaşa on March 18.