Simplify the following text for a Grade 8 native English-speaking person.
Original: Patrick Hart `` Pat '' Cash ( born 27 May 1965 ) is a retired Australian professional tennis player who won the men 's singles title at Wimbledon in 1987 .
Simplified: Patrick `` Pat '' Cash ( born May 27 , 1965 , in Melbourne , Victoria ) is a retired professional tennis player from Australia . He won the Wimbledon Championships in 1987 and was once ranked the fourth best player in the world .