The Miami Open (also known as the Miami Masters and as the Miami Open presented by Itaú for sponsorship reasons) is an annual professional tennis tournament held in Miami Gardens, Florida, United States. It is played on outdoor hard courts at the Hard Rock Stadium, and is held in late March and early April. The tournament is part of the ATP Masters 1000 events on the ATP Tour and part of the WTA 1000 events on the WTA Tour.
https://en.wikipedia.org/wiki/Miami_Open_(tennis)