Alexander Zverev apologizes for striking umpire's chair at Mexican Open: 'I am only disappointed in myself'

"It is difficult to put into words how much I regret my behavior during and after the doubles match yesterday," Zverev said.

source https://www.sportingnews.com/us/tennis/news/alexander-zverev-apologizes-striking-umpires-chair-mexican-open/vzbnhiyrpgs3jjmz0paeypxf