Jiří Lendl, the father of the former world number one tennis player Ivan Lendl, has died at the age of 89. He was also the former and the honorary chairman of the Czech tennis association. Mr. Lendl was a junior chess champion of Bohemia and Moravia and received a law degree. Later he also excelled at tennis and became the chairman of the Czechoslovak tennis association in 1990. His son Ivan was one of the top tennis players in the world throughout the 1980’s, having competed in 19 Grand Slam singles finals, winning eight of them.