
She won her first 6 WTA titles in the same calendar year in 2013 (a feat that was last achieved by Steffi Graf in 1986 when she won her first 7), being named the WTA's Most Improved Player at its end, as well as being named ESPN Center Court's 2013 Most Improved Player. Halep reached the 2014 French Open final, her first Grand Slam final, where she played against Maria Sharapova, losing in three sets. She also reached the final of the WTA Finals the same year, but lost to Serena Williams.

Simona was born in the Dobrujan city of Constanța, to Stere and Tania Halep, a family of Aromanian descent. Her father (a former football player at Săgeata Stejaru playing in the lower leagues) owns a dairy products factory. Halep started playing tennis at the age of four, in emulation of her older brother. At age 6, she was practicing daily. At age 16, she relocated to Bucharest to further her tennis career. She named Justine Henin and Andrei Pavel as two of her idols when she was younger.