Los Angeles: World number one Novak Djokovic has formally withdrawn from the draw for the Indian Wells tournament, officials said on Sunday in an indication that his application for a COVID-19 vaccine waiver to enter the US might have failed.

The Serbian, who is one of the most high-profile athletes unvaccinated against the virus, applied to the U.S. government last month for special permission to play at ATP Masters events at Indian Wells and Miami.

More to follow.