2023 Sparta Prague Open

The 2023 Sparta Prague Open was a professional tennis tournament played on clay courts. It was part of the 2023 ATP Challenger Tour. It took place in Prague, Czech Republic between 8 and 14 May 2023.

Seeds

 * 1 Rankings as of 24 April 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇿 Jakub Menšík
 * 🇨🇿 Jiří Veselý
 * 🇨🇿 Michael Vrbenský

The following players received entry into the singles main draw as alternates:
 * 🇧🇦 Nerman Fatić
 * 🇮🇹 Federico Gaio
 * 🇪🇸 Alejandro Moro Cañas
 * 🇵🇱 Kacper Żuk

The following players received entry from the qualifying draw:
 * 🇦🇷 Guido Andreozzi
 * Gastão Elias
 * 🇬🇧 Billy Harris
 * 🇩🇪 Rudolf Molleker
 * 🇪🇸 Daniel Rincón
 * 🇦🇺 Akira Santillan

The following player received entry as a lucky loser:
 * 🇺🇦 Vitaliy Sachko

Singles

 * 🇨🇿 Jakub Menšík def. 🇩🇪 Dominik Koepfer 6–4, 6–3.

Doubles

 * 🇫🇷 Dan Added / 🇫🇷 Albano Olivetti def. Miķelis Lībietis / 🇺🇸 Hunter Reese 6–4, 6–3.