World number three Alexander Zverev was kicked out of the ATP 500 tournament in Acapulco for “unsportsmanlike conduct” after smashing his racket repeatedly against the umpire’s chair following a double defeat. The German later apologised for his behaviour after he and Brazil’s Marcelo Melo lost 6-2 4-6 (10-6) to the British-Finn pair of Lloyd Glasspool…