Jill N. Craybas (born July 4, 1974) is an American professional tennis player. She is one of the oldest players on the WTA Tour, having turned pro in 1996. From the 2000 US Open to the 2011 US Open, Craybas competed in 45 consecutive Grand Slam main draws, her best result coming in the 2005 Wimbledon Championships where she reached the fourth round which included wins over Marion Bartoli and Serena Williams.

Craybas was born in Providence, Rhode Island. She received an athletic scholarship to attend the University of Florida in Gainesville, where she played for coach Andy Brandi's Florida Gators women's tennis team in National Collegiate Athletics Association (NCAA) competition from 1993 to 1996. As a senior in 1996, she won the NCAA women's singles tennis championship. Craybas graduated from the University of Florida with a bachelor's degree in telecommunications in 1996, and has said in interviews that she hopes to enter film or television production when her playing career ends. She was inducted into the University of Florida Athletic Hall of Fame as a "Gator Great" in 2008.

Caroline Wozniacki (born 11 July 1990) is a Danish professional tennis player. She is a former world no. 1 on the WTA Tour. As of 23 January 2012, she held this position for 67 weeks. She is the first Scandinavian woman to hold the top ranking position and 20th overall.

Since her WTA debut in 2005, she has improved her year-end ranking each year until finishing on top in both 2010 and 2011. She has won 18 WTA singles titles as of August 2011, three in 2008, three in 2009, six in 2010 (the most since Justine Henin's ten in 2007), and six in 2011. She was runner-up at the 2009 US Open and the 2010 WTA Tour Championships in Doha to Kim Clijsters. She won the 2006 Wimbledon Girls' Singles title but has yet to win a women's Grand Slam title. She also holds two WTA titles in doubles.

Wozniacki is the daughter of Polish Roman Catholicimmigrants, Piotr and Anna Wozniacki. Anna played on the Polish women's national volleyball team, and Piotr played professional football. The couple moved to Denmark when Piotr signed for the Danish football club Boldklubben 1909. Wozniacki's older brother Patrik Wozniacki is a professional footballer for Hvidovre IF in Denmark.