1998
Completed a Grand Slam in doubles, winning titles at the U.S. Open, Wimbledon, French Open and Australian Open.

Reign at No. 1 ended after 80 weeks on October 11 when she lost in the quarterfinals of Filderstadt to Dominique Van Roost. Lindsay Davenport replaced her.

Became the youngest player to successfully defend a Grand Slam title in Open Era history (1968-present) when she won the Australian Open at 17 years, four months and one day.

Won titles at the Evert Cup, International Damen Grand Prix and Italian Open.

In June, became the third woman in the Open Era to hold the No. 1 ranking in singles and doubles simultaneously (joining Navratilova and Sanchez Vicario).

1997
By winning the Australian Open, Wimbledon and U.S. Open, joined Steffi Graf and Monica Seles as the only teenagers (in the Open era) to win three or more Grand Slam singles titles in one year. Beat Venus Williams 6-0, 6-4 to win the Open.

She won 37 straight matches to start the season -- including six traight tournaments to open the year -- the second-best start in the Open era and won 75 matches total, best on the Tour, including 11 titles.

Became the youngest player in the Open Era to win the singles title at Wimbledon when she won in 1997 at age 16 years, nine months and five days; was the first Swiss woman ever to win Wimbledon.

Defeated former world No. 1 Monica Seles in all four matches they've played on the year.

Overtook Steffi Graf as the world's No. 1 player following her straight-sets victory over Monica Seles to win the Lipton Championships.

1996
Won her first two career titles, capturing both the Porsche Tennis Grand Prix and Bank of the West Classic.

Advanced to the semifinals of the U.S. Open and reached the quarterfinals of the Australian Open.

Reached the semifinals of the U.S. Open by stunning third-seeded Arantxa Sanchez-Vicario and No. 7 seed Jana Novotna.

Became the youngest Wimbledon champion ever when she won the doubles title with Helena Sukova.

Won more than $1.3 million on the year, becoming the youngest man or woman to reach the $1 million mark in earnings.

Lost to Graf in a five-set final at the WTA Tour Championships.

1995
Became the youngest player to win a match at a Grand Slam tournament when she advanced to the second round at the Australian Open.

1994
Turned pro in October, two weeks after her 14th birthday.

Personal

Named after Martina Navratilova.

Coached by her mother, Melanie Molitor.

Enjoys skiing, soccer, basketball, swimming and horseback riding. Owns two horses -- Montana and Sorrenta.