The ATP and WTA Miami Open was called off Thursday by Miami-Dade County Mayor Carlos Gimenez, who declared a state of emergency over the coronavirus outbreak and began halting mass gatherings.
The hardcourt tennis tournament, one of the world's top events outside of the Grand Slams, was scheduled to begin with qualifying on March 23 and run through April 5.
The ATP and WTA earlier wiped out the combined event at Indian Wells, California, which was to have started main-draw play on Thursday.
And the ATP later announced a six-week halt to the season that also included another US tournament, the US Clay Court Championships that had been set for next month in Houston.
The news came hours after the NBA, including the Miami Heat, halted its season in the wake of the coronavirus pandemic.
"Miami-Dade County is under a state of emergency as we deal with the public health threat of COVID-19," Gimenez said in a statement.
"Although we do not have community spread at this time, we want to take the preemptive steps to keep it that way.
"Therefore, I have decided to suspend the operation of the Miami-Dade County Youth Fair, the Miami Open tennis tournament, the MIA 5K run, and all major events at the American Airlines Arena."
"We will constantly evaluate planned mass gatherings as the situation evolves."
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