FACTBOX: Former world number one Monica Seles

MIAMI (Reuters) - Factbox on former world number one Monica Seles who officially retired on Thursday.

Born December 2, 1973 in Novi Sad, Yugoslavia (now Serbia) to ethnic Hungarian parents.

*After winning a junior tournament in Florida, Seles and her family move to the U.S. where Monica trained at the famous Nick Bollettieri Tennis Academy.

*1988 - Makes professional debut at Boca Raton in Florida, aged 14 years, three months. Loses in the second round to American Chris Evert.

* 1989 - As a 15-year-old unranked wildcard she wins her first WTA title in Houston, beating Evert in the final. She breaks into the top 10 in the world rankings less than year after beginning her career.

*1990 - Seles finishes year at number two in the world after winning 36 singles matches in a row and six titles including the French Open -- her first Grand Slam victory.

* 1991-92 - Tops the world rankings after a remarkable year in which she reached the final in all 16 events she entered, winning 10. Wins grand slam titles at the Australian, French and U.S. Opens and defends all three the following year.

*1993 - Seles is stabbed in the back with a knife during a quarter-final match at the Hamburg Open by a German man, Guenter Parche, a fan of German rival Steffi Graf. Seles does not play for 28 months.

* 1994 - Becomes a U.S. citizen. Goes on to represent her adopted country in the Fed Cup, winning it in 1996 and 2000.