Maria Sharapova defeated Sara Errani in the final, 6–3, 6–2 to win the women's singles tennis title at the 2012 French Open. It was her first French Open title, and she completed the career Grand Slam with the win. It was Sharapova's first major title since the 2008 Australian Open, and her first since a shoulder surgery that threatened to end her career four years prior. She lost only one set during the tournament, to Klára Zakopalová in the fourth round. Sharapova regained the world No. 1 ranking with the win; Victoria Azarenka and Agnieszka Radwańska were also in contention for the top spot.

Klára Koukalová is a Czech former professional tennis player. She was born and still lives in Prague. Having turned professional in 1999, she reached a career-high singles ranking of world No. 20, on 15 April 2013. In doubles, she reached a career-high ranking of 31, on 19 May 2014. Koukalová won three WTA singles titles and four doubles titles during her career.