By Nick Georgandis
March 11 - Althea Louise Brough Clapp, the American woman who won eight Grand Slam singles titles, seven mixed doubles Grand Slams and an astounding 21 Grand Slam women's doubles Grand Slam titles, turns 90.
An inaugural member of the International Tennis Hall of Fame in 1967, the native of Oklahoma City. Her 35 total Slams ranks her fifth all-time among women.
She teamed up with Margaret Osborne duPont to win nine straight doubles titles at the US Open between 1942-1950, the longest run of consecutive titles at any Grand Slam event ever.
Her first Grand Slam title came in mixed doubles at the US Open in 1942 when she was 19. Her last came at the US Open in women's doubles in 1957 when she was 34.
In singles, she won the US Open in 1947, the Australian in 1950, Wimbledon four times (1948-1950, 1955), but could never conquer Roland Garros, losing in the semifinals three times. In doubles, she won the US Open 12 times (1942-1950, 1955-1957), the French Open thrice (1946, 1947, 1949) Wimbledon five times (1946, 1948-1950, 1954) and completed the career Grand Slam in 1950 when she won the Australian Open, her only time to compete in the event.
In mixed doubles, she only competed at the US Open and Wimbledon, winning on her native turf (1942, 1947, 1948) and the All England Club four times (1946-1948, 1950).
March 12 - Slovenia's Katarina Srebotnik, a former No. 1 player in women's doubles, turns 32. Srebotnik has won 31 doubles titles in her career, including the doubles title at Wimbledon in 2011 with Kevta Peschke. She has won five mixed doubles Grand Slam titles, teaming with Piet Norval to win the 1999 French Open; with Bob Bryan to win the US Open in 2003; with Nenad Zimonjic to win the 2006 French Open and 2010 French Open and with Daniel Nestor to take the 2011 Australian Open title. She "retired" from singles competition at the end of the 2010 season to focus on doubles, having won four titles in her career and reached a career high of No. 20 in 2006.
March 13 - Former Swedish top 5 player Thomas Enqvist turns 39. Enqvist reached No. 4 in the world in 1999 after reaching the finals of the Australian Open. He was the first Swede in the top 5 since Stefan Edberg, and the last until Robin Soderling achieved the same feat in 2009. He won 19 titles overall and presently is the captain of Sweden's Davis Cup team.