2018 Monterrey Open

The 2018 Monterrey Open (also known as the 2018 Abierto GNP Seguros for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts. It was the 10th edition of the Monterrey Open and an International tournament on the 2018 WTA Tour. It took place at the Club Sonoma in Monterrey, Mexico, from 2 to 8 April 2018.

Prize money

 * per team

Seeds

 * 1 Rankings as of 19 March 2018.

Other entrants
The following players received wildcards into the main draw:
 * 🇲🇽 Victoria Rodriguez
 * 🇲🇽 Ana Sofía Sánchez
 * 🇲🇽 Renata Zarazúa

The following players received entry from the qualifying draw:
 * 🇺🇸 Usue Maitane Arconada
 * 🇨🇿 Marie Bouzková
 * Valentini Grammatikopoulou
 * Dalila Jakupović

Withdrawals

 * Before the tournament
 * 🇩🇪 Sabine Lisicki → replaced by 🇯🇵 Risa Ozaki
 * 🇷🇴 Monica Niculescu → replaced by 🇺🇸 Irina Falconi
 * 🇷🇺 Anastasia Pavlyuchenkova → replaced by 🇨🇦 Carol Zhao


 * During the tournament
 * 🇺🇦 Lesia Tsurenko

Seeds

 * Rankings as of March 19, 2018.

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

Withdrawals

 * During the tournament
 * 🇺🇦 Lesia Tsurenko

Singles

 * 🇪🇸 Garbiñe Muguruza def. 🇭🇺 Tímea Babos, 3–6, 6–4, 6–3

Doubles

 * 🇬🇧 Naomi Broady / 🇪🇸 Sara Sorribes Tormo def. 🇺🇸 Desirae Krawczyk / 🇲🇽 Giuliana Olmos, 3–6, 6–4, [10–8]