December 18: Spain's Arantxa Sanchez-Vicario, who was ranked No. 1 in both singles and doubles and won 14 career Grand Slams, is 41. Sanchez-Vicario reached No. 1 in women's singles in February of 1995 and won 29 singles titles, including the French Open three times (1989, 1994, 1998) and the US Open once (1994). She just missed a career singles Grand Slam, reaching the Australian Open and Wimbledon finals twice apiece. She won six women's doubles Slams -- the Australian Open thrice (1992, 1995, 1996), Wimbledon in 1995 and the US Open twice (1993-1994). In additon, she won the French Open mixed doubles crown in 1990 and 1992, the US Open mixed doubles title in 2000 and the Australian Open mixed doubles title in 1993. She also won two silver and two bronze medals in Olympic competition.
December 20: Frenchman Julien Benneteau, currently ranked No. 34 in the world, is 31. Bennetau has been ranked as high as No. 26 in the world in singles and was a French Open quarterfinalist in 2006. He has won six career doubles titles, been ranked as high as 15th in the world and won the bronze medal in men's doubles at the 2012 Summer Olympics.
December 21: The United States' Chris Evert, won of the most legendary singles players in tennis history, turns 58. Every won 18 career singles Grand Slams and three doubles Slams, racking up 157 singles titles and 29 doubles titles. Her 34 Grand Slam singles finals is a record for any player male or female, and she once had a streak of 34 straight Grand Slams in which she reached at least the semifinals. Her career record in singles of 1,309-145 equals a winning percentage of 90.05% -- the highest for any player, male or female, in history, and her 94.05% winning mark on clay is a WTA record. She won the French Open seven times, the US Open six times, Wimbledon thrice and the Australian Open twice, completing her career Grand Slam when she won down under in 1982.