Martina Navratilova is a Czechoslovakian and American former professional tennis player and coach.

Martina reached the Wimbledon singles final 12 times, including for nine consecutive years from 1982 through 1990.

Martina also won the women’s singles title at Wimbledon a record nine times (surpassing Helen Wills Moody’s eight Wimbledon titles), including a run of six consecutive titles.

Martina is widely considered among the greatest tennis players of all time having won 18 Grand Slam singles titles, 31 major women’s doubles titles, and 10 major mixed doubles titles, for a combined total of 59 major titles, marking the Open Era record for the most Grand Slam titles won by a single player.

Martina is also an accomplished author and in 1985, she released an autobiography, co-written with The New York Times sports columnist George Vecsey, titled Martina in the U.S. and Being Myself in the rest of the world.

Prior to that, Martina had co-written a tennis instruction book with Mary Carillo in 1982, entitled Tennis My Way.

Martina later wrote three mystery novels with Liz Nickles: The Total Zone (1994), Breaking Point (1996), and Killer Instinct (1997).

Martina’s most recent literary effort was a health and fitness book entitled Shape Your Self, which came out in 2006.

Martina has an estimated net worth of $25 million.