The Women's Tennis Association (WTA) said it has banned a man who exhibited "fixated behaviour" towards Emma Raducanu after he was taken away by security personnel during the Briton's match at the Dubai Tennis Championships.
Former US Open champion Raducanu appeared to be in tears as she approached the umpire's chair during the first set of her second-round match with Karolina Muchova.
"On Monday Emma Raducanu was approached in a public area by a man who exhibited fixated behaviour," the WTA said in a statement on Wednesday.
"This same individual was identified in the first few rows during Emma’s match on Tuesday at the Dubai Duty Free Tennis Championships and subsequently ejected.
Raducanu appeared to be in tears during the first set of her defeat to Karolina Muchova in Dubai.