2019 Western & Southern Open – Men's Singles


was the defending champion, but lost in the semifinals to Daniil Medvedev.
Medvedev went on to win his first ATP Masters 1000 title, defeating David Goffin in the final, 7–6, 6–4.

Seeds

The top eight seeds receive a bye into the second round.

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

Seventh qualifier