Ball boys and girls will wear gloves, and will not be required to touch players' towels, at Indian Wells because of the coronavirus outbreak.
Player and fan interaction will be limited and 250 hand sanitising stations have also been installed.
Spectators who have already bought tickets, but are now be having second thoughts, can request a refund.
Qualifying for the prestigious ATP and WTA tournament begins on Monday in California.
The state recently declared a state of emergency after a 71-year-old man died from the virus.