Seeds • 1 Rankings are as of 6 March 2023.
Other entrants The following players received wildcards into the singles main draw: •
Matteo Berrettini •
Gaël Monfils •
Diego Schwartzman The following players received entry into the singles main draw as alternates: •
Radu Albot •
Matteo Arnaldi •
Nuno Borges •
Thanasi Kokkinakis •
Denis Kudla •
Christopher O'Connell •
Roman Safiullin •
Zhang Zhizhen The following players received entry from the qualifying draw: •
Pavel Kotov •
Aleksandar Kovacevic •
Emilio Nava •
Alexander Shevchenko •
Jan-Lennard Struff •
Aleksandar Vukic The following players received entry as lucky losers: •
Mattia Bellucci •
Rinky Hijikata ==Champions==