2023 Challenger de Santiago

The 2023 Challenger de Santiago was a professional tennis tournament played on clay courts. It was the 17th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Santiago, Chile between 6 and 12 March 2023.

Seeds

 * 1 Rankings are as of 27 February 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * Gonzalo Lama
 * Matías Soto
 * Nicolás Villalón

The following players received entry from the qualifying draw:
 * 🇧🇷 Daniel Dutra da Silva
 * 🇮🇹 Federico Gaio
 * 🇫🇷 Hugo Gaston
 * 🇪🇸 Álvaro López San Martín
 * 🇧🇷 Thiago Seyboth Wild
 * 🇦🇷 Juan Bautista Torres

The following players received entry as lucky losers:
 * 🇧🇷 João Lucas Reis da Silva
 * 🇦🇷 Gonzalo Villanueva

Singles

 * 🇧🇴 Hugo Dellien def. 🇧🇷 Thiago Seyboth Wild 3–6, 6–3, 6–3.

Doubles

 * 🇧🇷 Pedro Boscardin Dias / 🇧🇷 João Lucas Reis da Silva def. 🇪🇨 Diego Hidalgo / 🇨🇴 Cristian Rodríguez 6–4, 3–6, [10–7].