An ailing Rafael Nadal battled to a five-set victory over Denis Shapovalov in a dramatic Australian Open quarter-final – and was then accused by his opponent of receiving preferential treatment.
The Canadian became involved in a row with umpire Carlos Bernardes at the start of the second set of his 6-3 6-4 4-6 3-6 6-3 defeat over the amount of time Nadal was taking to get ready to receive serve.
