2023 Sparkassen ATP Challenger

The 2023 Sparkassen ATP Challenger was a professional tennis tournament played on indoor hard courts in Ortisei, Italy between 23 and 29 October 2023. It was the 14th edition of the tournament and was part of the 2023 ATP Challenger Tour.

Seeds

 * 1 Rankings are as of 16 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇮🇹 Lorenzo Carboni
 * 🇮🇹 Francesco Forti
 * 🇮🇹 Lorenzo Rottoli

The following players received entry into the singles main draw as alternates:
 * 🇮🇹 Enrico Dalla Valle
 * 🇨🇿 Andrew Paulson

The following players received entry from the qualifying draw:
 * 🇨🇿 Hynek Bartoň
 * 🇧🇦 Mirza Bašić
 * 🇮🇹 Luca Giacomini
 * 🇪🇪 Daniil Glinka
 * 🇸🇰 Lukáš Klein
 * Ryan Nijboer

Singles

 * 🇸🇰 Lukáš Klein def. 🇵🇱 Maks Kaśnikowski 6–7(4–7), 7–6(7–4), 7–6(8–6).

Doubles

 * 🇨🇿 Andrew Paulson / 🇨🇿 Patrik Rikl def. 🇦🇹 Maximilian Neuchrist / Jakub Paul 4–6, 7–6(9–7), [11–9].