Hubert Hurkacz defeated Jannik Sinner in the final, 7–6(7–4), 6–4 to win the men's singles tennis title at the 2021 Miami Open. It was his first Masters 1000 singles title, and he became the first Pole to win a Masters 1000 singles title.
Roger Federer was the reigning champion from when the tournament was last held in 2019, but chose not to participate this year.
As both Novak Djokovic and Rafael Nadal also chose not to participate, this was the first Masters 1000 tournament since the 2004 Paris Masters without at least one member of the Big Three competing.
Seeds All seeds received a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Section 3
Section 4
Bottom half
Section 5
Section 6
Section 7
Section 8
Qualifying
Seeds
Qualifiers
Lucky losers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
Seventh qualifier
Eighth qualifier
Ninth qualifier
Tenth qualifier
Eleventh qualifier
Twelfth qualifier
References
External links Main draw Qualifying draw