Mariana Simionescu is a former professional tennis

Tennis

Tennis is a sport usually played between two players or between two teams of two players each . Each player uses a racket that is strung to strike a hollow rubber ball covered with felt over a net into the opponent's court. Tennis is an Olympic sport and is played at all levels of society at all...

 player from Romania

Romania

Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

. She played on the WTA Tour from 1973 to 1980. She won one WTA tour singes title at the Tokyo Outdoors

Japan Open Tennis Championships

The Rakuten Japan Open Tennis Championships is a tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Kōtō, Tokyo, Japan. The championship includes both men's and women's, as well as singles and doubles competitions...

 in 1980. Her best Grand Slam

Grand Slam (tennis)

The four Major tennis tournaments, also called the Slams, are the most important tennis events of the year in terms of world tour ranking points, tradition, prize-money awarded, strength and size of player field, and public attention. They are the Australian Open, the French Open, Wimbledon, and...

 performance was reaching the 4th round at Wimbledon

The Championships, Wimbledon

The Championships, Wimbledon, or simply Wimbledon , is the oldest tennis tournament in the world, considered by many to be the most prestigious. It has been held at the All England Club in Wimbledon, London since 1877. It is one of the four Grand Slam tennis tournaments, the other three Majors...

 in 1977

1977 Wimbledon Championships

The 1977 Wimbledon Championships took place on the outdoor grass courts at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The tournament ran from 20 June until 2 July...

 and she was ranked as high as 7 by the WTA.

Simionescu was born in Târgu Neamţ

Târgu Neamt

Târgu Neamţ is a town in Neamţ County, Romania, on the Neamţ River. It had, , a population of 20,496. Three villages are administered by the town: Blebea, Humuleşti and Humuleştii Noi.- History :...

. She married Björn Borg

Björn Borg

Björn Rune Borg is a former world no. 1 tennis player from Sweden. Between 1974 and 1981 he won 11 Grand Slam singles titles. He won five consecutive Wimbledon singles titles and six French Open singles titles...

 in 1980, but the marriage ended in 1984. She has since remarried.

WTA Tour singles titles (1)

No.	Date	Tournament	Surface	Opponent in the final	Score
1.	October 20, 1980	Tokyo Outdoor Japan Open Tennis Championships The Rakuten Japan Open Tennis Championships is a tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Kōtō, Tokyo, Japan. The championship includes both men's and women's, as well as singles and doubles competitions... , Japan Japan Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...	Hard	Nerida Gregory	6–4, 6–4

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