| 2018 Monterrey Open | |
|---|---|
| Date | 2–8 April |
| Edition | 10th |
| Category | WTA International |
| Draw | 32S / 16D |
| Prize money | $250,000 |
| Surface | Hard / outdoor |
| Location | Monterrey, Mexico |
| Champions | |
| Singles | |
 Garbiñe Muguruza[1] | |
| Doubles | |
 Naomi Broady / Sara Sorribes Tormo[2] | |
The 2018 Monterrey Open, also known as the 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 April until 8 April 2018. Firsts-seeded Garbiñe Muguruza won the singles title.
- ^ "Singles draw" (PDF). Women's Tennis Association (WTA).
- ^ "Doubles draw" (PDF). Women's Tennis Association (WTA).