2023 San Luis Open Challenger

The 2023 San Luis Open Challenger was a professional tennis tournament played on outdoor clay courts. It was the 28th edition of the tournament for the men which is part of the 2023 ATP Challenger Tour and 1st edition for the women which is part of the 2023 WTA 125 tournaments. It took place at the Club Deportivo Potosino in San Luis Potosí, Mexico between 27 March and 9 April 2023.

Seeds

 * 1 Rankings are as of 20 March 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇲🇽 Rodrigo Pacheco Méndez
 * 🇫🇷 Lucas Pouille
 * 🇦🇺 Bernard Tomic

The following players received entry from the qualifying draw:
 * 🇺🇸 Nick Chappell
 * 🇺🇸 Patrick Kypson
 * Benjamin Lock
 * 🇫🇷 Giovanni Mpetshi Perricard
 * 🇳🇿 Rubin Statham
 * 🇰🇿 Denis Yevseyev

The following player received entry as a lucky loser:
 * 🇨🇦 Alexis Galarneau

Seeds

 * 1 Rankings are as of 20 March 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇴 Emiliana Arango
 * 🇮🇹 Elisabetta Cocciaretto
 * 🇲🇽 María Fernanda Navarro Oliva
 * 🇲🇽 Ana Sofía Sánchez
 * 🇲🇽 Renata Zarazúa

The following players received entry from the qualifying draw:
 * 🇺🇸 Hailey Baptiste
 * 🇻🇪 Andrea Gámiz
 * 🇺🇸 Whitney Osuigwe
 * Conny Perrin

Withdrawals

 * 🇫🇷 Alizé Cornet → replaced by Elina Avanesyan
 * 🇷🇴 Jaqueline Cristian → replaced by 🇨🇦 Carol Zhao
 * 🇵🇱 Magdalena Fręch → replaced by 🇨🇾 Raluca Șerban
 * 🇩🇪 Anna-Lena Friedsam → replaced by 🇺🇸 Katrina Scott
 * Viktorija Golubic → replaced by 🇪🇸 Aliona Bolsova
 * 🇨🇿 Tereza Martincová → replaced by Despina Papamichail
 * 🇸🇪 Rebecca Peterson → replaced by Kaja Juvan
 * 🇮🇹 Lucrezia Stefanini → replaced by 🇲🇽 Fernanda Contreras Gómez
 * 🇭🇺 Panna Udvardy → replaced by 🇦🇷 Paula Ormaechea

Retirements

 * 🇫🇷 Léolia Jeanjean (gastrointestinal illness)

Seeds

 * Rankings are as of March 20, 2023

Other entrants
The following pair received a wildcard into the doubles main draw:
 * 🇦🇷 Paula Ormaechea / 🇲🇽 Ana Sofía Sánchez

Withdrawals

 * During the tournament
 * Despina Papamichail / 🇦🇷 Nadia Podoroska (Papamichail - right knee injury)

Retirements

 * 🇮🇹 Elisabetta Cocciaretto / 🇦🇹 Julia Grabher (Grabher - left knee injury)

Men's singles

 * Tomás Barrios Vera def. 🇩🇪 Dominik Koepfer 7–6(8–6), 7–5.

Women's singles

 * 🇮🇹 Elisabetta Cocciaretto def. 🇮🇹 Sara Errani 5–7, 6–4, 7–5

Men's doubles

 * Colin Sinclair / 🇦🇺 Adam Walton def. Benjamin Lock / 🇳🇿 Rubin Statham 5–7, 6–3, [10–5].

Women's doubles

 * 🇪🇸 Aliona Bolsova / 🇻🇪 Andrea Gámiz def. Oksana Kalashnikova / 🇵🇱 Katarzyna Piter 7–6(7–5), 6–4