Haase (26) explained in the daily Volkskrant that, after undergoing the test, he received a letter from the ATP advising him “to get a lawyer” and indicating that he would have to undergo three more tests in the following two weeks.

Haase however said that the letter also indicated that “the abnormal level could very well be natural.”Haase is currently ranked 43rd in the world, although he did reach a high of 33rd in July 2012.