She made the quarterfinals the next year and lost to Helga Masthoff (née Niessen), after again losing the first set in a tiebreak.Navratilova won her first professional singles title in Orlando, Florida in 1974, at the age of 17.Martina then took the name of her stepfather (adding the feminine suffix "ová"), thus becoming Martina Navrátilová ( In 1972, at the age of 15, Navratilova won the Czechoslovakia national tennis championship.In 1973, aged 16, she made her debut on the United States Lawn Tennis Association professional tour but did not turn professional until 1975.She and Serena Williams are the only Open Era players to have won six major singles crowns without the loss of a set.Navratilova, Margaret Court and Maureen Connolly share the record for the most consecutive major singles titles (six).
In 1973, she made the quarterfinals where she lost 6–7, 4–6 to Evonne Goolagong.
Navratilova reached 11 consecutive major singles finals, second all-time only to Steffi Graf's 13, and is the only woman ever to reach 19 consecutive major semifinals.
Navratilova also won the season-ending WTA Tour Championships for top ranked players a record eight times and made the finals a record 14 times.
"I have been waiting for the right time to ask Julia to marry me," Navratilova said to a packed stadium.
"I thought this was the right place and the right time to pop the question and thankfully I got a 'yes'." Ms.