February 22    
The Netherlands' Tom Okker turns 70. He was ranked No. 3 in singles in 1969 and No. 1 in doubles the same year. He won two men's doubles Grand Slams - the 1973 French Open and the 1976 US Open, finishing his career with 69 doubles titles and 31 singles titles.

Gigi Fernandez, 17-time Grand Slam doubles champion, turns 50. Fernandez was inducted into the International Tennis Hall of Fame in 1950. She won the French Open title six times, including five in a row, and won the US Open five times, Wimbledon four times and the Australian Open twice. She also won the gold medal in women's doubles for the United States in 1992 and 1996.

American Michael Chang turns 42. At age 17 in 1989, he became the youngest male player to win the French Open. He peaked at No. 2 in the world and was inducted into the International Tennis Hall of Fame in 2008. He is the current coach of Japan's Kei Nishikori.


February 25
Former world doubles No. 1 Flavia Pennetta turns 32. Pennetta won the 2011 Australia Open title in women's doubles and was first ranked No. 1 in February of 2011.

February 26
Reigning Australian Open champion Li Na turns 32. Na has two Grand Slam titles, having also won the French Open in 2011, and is currently ranked No. 2 in the world.

February 27
Ecuador's Andres Gomez, the 1990 French Open champion, turns 54. Gomez reached No. 4 in the world shortly after winning Roland Garros in 1990 and won 21 titles in his career.

February 28
Serbia's Jelena Jankovic, former No. 1 in the world, turns 29. Jankovic is one of only two players to ever achieve the No. 1 ranking who has never won a Grand Slam singles title. Jankovic is currently ranked No. 7 in the world.