Lleyton Hewitt net worth: Lleyton Hewitt is an Australian professional tennis player who has a net worth of $15 million. It is safe to say that sports run in Lleyton Hewitt's family as his father Glynn Hewitt is a former Australian football player. Hewitt gained prominence when he won the 1998 Next Generation Adelaide International, defeating Andre Agassi. By 2000, he became the youngest male player ever to have won the Grand Slam doubles title, he was just 19. In the US Open in 2001, Hewitt won his first Grand Glam singles, beating the former number one Yevgeny Kafelnikov and defeated Pete Sampras the following day. He also won the Tokyo Open and Tennis Master Cup, earning the number one title. Hewitt continued his solid performance in 2002 claiming titles in India Wells and London and San Jose as well as winning the Tennis Master's Cup thus maintaining his title as world's number one. In 2003, Hewitt defeated another former no.1, Gustavo Kuerten. In the same year, Hewitt became the first male champion in history to be defeated in the first round, losing to Ivo Karlovic. He also lost in the final round in Los Angeles and the second round ATP Masters Tournament in Montreal. Despite this, Tennis magazine ranked Hewitt 34th on its list of 40 greatest tennis players since 1965.