The Abu Dhabi Open has apologised to Russian world number 11 Daria Kasatkina for an administrative mistake that listed her as a player from Spain at the tournament's draw ceremony on Sunday and sparked speculation that she had switched her nationality.

The Abu Dhabi Open, which begins on Monday, has apologized to Daria Kasatkina, a Russian who is ranked No. 11 in the world, for an administrative mistake that listed her as a player from Spain at the tournament's draw ceremony on Sunday.

Russia's Daria Kasatkina's management say a flag error could have "strong implications" for the player after she was wrongly listed as representing Spain at a WTA Tour draw ceremony - leading to suggestions she had switched allegiance.