2019 Monterrey Open

The 2019 Monterrey Open (also known as the 2019 Abierto GNP Seguros for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts. It was the 11th edition of the Monterrey Open and an International tournament on the 2019 WTA Tour. It took place at the Club Sonoma in Monterrey, Mexico, from 1 to 7 April 2019.

Prize money

 * per team

Seeds

 * 1 Rankings as of 18 March 2019.

Other entrants
The following players received wildcards into the main draw:
 * 🇲🇽 Giuliana Olmos
 * 🇲🇽 Victoria Rodríguez
 * 🇲🇽 Renata Zarazúa

The following players received entry from the qualifying draw:
 * 🇧🇷 Beatriz Haddad Maia
 * 🇯🇵 Miyu Kato
 * 🇸🇰 Kristína Kučová
 * 🇨🇳 Xu Shilin

The following players received entry as lucky losers:
 * 🇭🇺 Gréta Arn
 * 🇷🇴 Elena-Gabriela Ruse

Withdrawals

 * Before the tournament
 * 🇨🇦 Eugenie Bouchard → replaced by 🇬🇧 Harriet Dart
 * 🇬🇧 Katie Boulter → replaced by 🇭🇺 Gréta Arn
 * Donna Vekić → replaced by 🇷🇸 Olga Danilović
 * 🇨🇳 Wang Yafan → replaced by 🇷🇸 Ivana Jorović
 * 🇺🇦 Dayana Yastremska → replaced by 🇯🇵 Misaki Doi
 * 🇷🇺 Vera Zvonareva → replaced by 🇷🇴 Elena-Gabriela Ruse

Retirements

 * 🇧🇾 Victoria Azarenka (right lower leg injury)

Seeds

 * Rankings as of April 1, 2019.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇷🇸 Jovana Jakšić / 🇲🇽 Renata Zarazúa
 * 🇲🇽 Victoria Rodríguez / 🇲🇽 Ana Sofía Sánchez

Withdrawals

 * 🇺🇸 Christina McHale (right finger injury)

Singles

 * 🇪🇸 Garbiñe Muguruza def. 🇧🇾 Victoria Azarenka, 6–1, 3–1, ret.

Doubles

 * 🇺🇸 Asia Muhammad / 🇺🇸 Maria Sanchez def. 🇦🇺 Monique Adamczak / 🇦🇺 Jessica Moore, 7–6(7–2), 6–4