Roger Federer defeated the defending champion John Isner in the final, 6–1, 6–4 to win the men's singles tennis title at the 2019 Miami Open. It was his fourth Miami Open title, his 28th and final Masters singles title, and his 101st career singles title overall. Federer became the oldest Masters 1000 champion, at old, since the series was established in 1990.
Félix Auger-Aliassime became the youngest men's singles semifinalist in the tournament's 35-year history, and the first teenage semifinalist since Andy Murray and Novak Djokovic in 2007.
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