Aslan Karatsev defeated Lloyd Harris in the final, 6–3, 6–2 to win the men's singles tennis title at the 2021 Dubai Tennis Championships. It was his first ATP Tour singles title. Karatsev was the second wildcard in the tournament's history to win the men's singles title.
Novak Djokovic was the reigning champion, but chose not to participate this year.
Seeds All seeds receive a bye into the second round.
The players who also received a bye into the second round were as follows, each semifinalist from Doha or Marseille: Nikoloz Basilashvili Matthew Ebden
The other six byes were removed, and six players were added to the main draw.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
References
External links Main draw Qualifying draw