The Belarusian former pro ice hockey player was in Florida to support the world No 2 at the Miami Open
Britain's Emma Raducanu has withdrawn from the Miami Open with a lower back injury, tournament organisers said on Tuesday, the latest setback for the 21-year-old."I have been experiencing lower back pain and at this stage of my return to competition I don’t want to risk anything happening," said Raducanu.
The former US Open champion had been due to face Wang Xiyu on Tuesday.