The 2023 Geneva Open (sponsored by Gonet) was a men's tennis tournament played on outdoor clay courts. It was the 20th edition of the Geneva Open and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place at the Tennis Club de Genève in Geneva, Switzerland, from 21 to 27 May, 2023.
Champions
Singles
Nicolás Jarry def. Grigor Dimitrov, 7–6(7–1), 6–1
Doubles
Jamie Murray / Michael Venus def. Marcel Granollers / Horacio Zeballos, 7–6(8–6), 7–6(7–3)
Points and prize money
Point distribution
Prize money
*per team
Singles main draw entrants
Seeds
Rankings are as of 8 May 2023.
Other entrants
The following players received wildcards into the singles main draw: Grigor Dimitrov Benoît Paire Alexander Zverev
The following players received entry using a protected ranking into the singles main draw: Hugo Dellien Guido Pella
The following players received entry from the qualifying draw: Daniel Rincón Vitaliy Sachko Nino Serdarušić Stefano Travaglia
Withdrawals
John Isner → replaced by Hugo Dellien
Constant Lestienne → replaced by Christopher Eubanks
Denis Shapovalov → replaced by Guido Pella
Jan-Lennard Struff → replaced by Marco Cecchinato
Botic van de Zandschulp → replaced by Marc-Andrea Hüsler
Doubles main draw entrants
Seeds
Rankings are as of 8 May 2023.
Other entrants
The following pairs received wildcards into the doubles main draw: Arthur Cazaux / Benoît Paire Ivan Sabanov / Matej Sabanov
Withdrawals
Rohan Bopanna / Matthew Ebden → replaced by Hugo Dellien / Guido Pella
Tallon Griekspoor / Aleksandr Nedovyesov → replaced by Diego Hidalgo / Ben Shelton Nathaniel Lammons / Jackson Withrow → replaced by Nikola Ćaćić / Nathaniel Lammons Hugo Nys / Jan Zieliński → replaced by Ariel Behar / Marcelo Demoliner