MADRID, June 20 (Reuters) - Soccer star Cristiano Ronaldo will testify on July 31 in a case in which he is accused of hiding income from the tax authorities, court officials said on Tuesday.

The Spanish prosecutor says the Real Madrid forward knowingly used a business structure to hide his image rights income in

(Reporting by Paul Day, writing by Julien Toyer) ((paul.e.day@thomsonreuters.com; +34 91 585 83 08; Reuters Messaging: paul.e.day.thomsonreuters.com@reuters.net))