Kristina Mladenovic (Serbian: Кристина Младеновић, Kristina Mladenović) (born 14 May 1993 in Saint-Pol-sur-Mer, Nord) is a French professional tennis player of Serbian ancestry. Her highest WTA singles ranking is 141st, which she reached on 26 December 2011.

Kristina was born in Saint-Pol-sur-Mer, Nord department of France. Her father and mother, both athletes, are now naturalized French from the former Yugoslavia. She currently lives in the western suburbs of Paris, in Boulogne-Billancourt.

Kristina started playing juniors in May 2006. Her biggest junior achievement was at the 2009 Junior French Open Girls' Singles, where she beat Daria Gavrilova of Russia 6–3, 6–2 in the final. Her highest junior ranking is No. 1, on 8 June 2009. She advanced to both the Girl's Singles and Doubles finals at the 2009 Junior Wimbledon, losing to Noppawan Lertcheewakarn (and her partner for the doubles event) in each.

She began playing on the ITF circuit in September 2007. On the WTA Tour she tried to qualify for Open Gaz de France, but lost her first match to Petra Kvitová. At the 2009 Australian Open, Kristina received a wild card, but was defeated by the No. 14 seed, Patty Schnyder, 2–6, 6–4, 6–2. In July Kristina qualified for the 2009 ECM Prague Open but lost in the first round 6–4, 6–1 to Zarina Diyas of Kazakhstan.

Maria Yuryevna Sharapova (Russian: Мария Юрьевна Шарапова [mɐˈrʲijə ˈjurʲjɪvnə ʂɐˈrapəvə] ( listen), US: /ʃɑrəˈpoʊvə/, UK: /ʃærəˈpoʊvə/; born April 19, 1987) is a Russian professional tennis player and former world no. 1. A United States resident since 1994, Sharapova has won 26 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open. She has also won the year-end WTA Tour Championships in 2004. The Women's Tennis Association has ranked Sharapova world no. 1 in singles on four separate occasions. She became the world no. 1 for the first time on August 22, 2005, and last regained the ranking for the fourth time on May 19, 2008. As of May 28, 2012, Sharapova is ranked world no. 2. She has been in six Grand Slam finals with the final record 3–3.

Sharapova made her professional breakthrough in 2004 at age 17, when she defeated two-time defending champion and top seed Serena Williams in the 2004 Wimbledon final for her first Grand Slam singles title. She entered the top 10 of the WTA Rankings with the win. Despite not winning a major in 2005, Sharapova briefly held the no. 1 ranking, and reached three Grand Slam semifinals, losing to the eventual champion each time. She won her second major at the 2006 US Open defeating then-world no. 1 Amélie Mauresmo in the semifinals and world no. 2 Justine Henin in the final.