1992 - Played first events of career on ITF Circuit.
1993 - Won one doubles title on ITF Circuit.
1994 - Played Tour qualifying three times; won one doubles title on ITF Circuit.
1995 - Played Tour qualifying seven times; continued to play on ITF Circuit.
1996 - Played first Tour main draw at Chicago, falling 1r; won two doubles titles on ITF Circuit.
1997 - Fell 1r once and in Tour qualifying six times (incl.
Roland Garros,
Wimbledon); won one doubles title on ITF Circuit.
1998 - Reached 2r once (
Roland Garros); fell 1r four times (incl.
US Open) and in Tour qualifying nine times (incl. other two majors); won three doubles titles on ITF Circuit.
1999 - Fell in Tour qualifying 12 times (incl. all four majors); won one doubles title on ITF Circuit; suffered fractured clavicle and rib in a car accident in the fall.
2000 - Fell 1r twice; won one doubles title on ITF Circuit.
2001 - Reached first Tour singles QF at Pattaya City (l. to Nagyova); reached 2r once; fell 1r twice and in Tour qualifying five times; won first three Tour doubles titles.
2002 - Fell in Tour qualifying 10 times (incl.
Australian Open,
Roland Garros,
Wimbledon); won one Tour doubles title; underwent right shoulder surgery during off-season.
2003 - Fell in Tour qualifying twice (were last singles appearances of career); won five Tour doubles titles.
2004 - First season played exclusively in doubles; won one Tour doubles title; also reached first Grand Slam doubles final at
Wimbledon (w/Sugiyama); made doubles Top 10 debut on March 22 (after Indian Wells; rose to No.10).
2005 - Season played exclusively in doubles; played mostly w/Black in first half (12 of 15 events), winning titles at Rome and
Wimbledon (first Grand Slam title); suffered left knee injury playing World Team Tennis after
Wimbledon, undergoing surgery (ACL reconstruction) and withdrawing from rest of season.
2006 - Season played exclusively in doubles; won three Tour doubles titles.
2007 - Phenomenal season in doubles w/Black; 69-14 team record brought nine titles (incl.
Australian Open,
Wimbledon, Tour Championships); rose to No.1 on November 12 year-end rankings (co-No.1 w/Black).
2008 - Another phenomenal season in doubles w/Black; 66-14 team record brought 10 titles (incl.
US Open, Tour Championships);
US Open was fourth Grand Slam doubles title (all w/Black); co-ranked No.1 in doubles w/Black from start to finish of 2008; played two tournaments w/other partners, winning doubles rubber in USA's Fed Cup World Group SF loss to Russia (w/King, d. Kuznetsova/Vesnina) and reaching QF at Olympics (w/Davenport).
2009 - Third straight No.1 doubles season (w/Black); 49-16 team record brought five titles at Paris [Indoors], Dubai, Madrid, Birmingham and Cincinnati (35th to 39th Tour doubles titles of individual career; 23rd to 27th Tour doubles titles of partnership); runners-up twice, at
US Open (l. to Williams/Williams in final) and Tour Championships (l. to Llagostera Vives/Martínez Sánchez in final); SF six times (incl.
Roland Garros,
Wimbledon); QF six times (incl.
Australian Open); only two pre-QF exits in 21 events; held co-No.1 ranking (w/Black) from beginning to end of season, third year-end co-No.1 finish (individual weeks at No.1 was 105 as of November 9 year-end rankings); won first Grand Slam mixed doubles title at
Roland Garros (w/B.Bryan; d. King/Melo in final); went 2-1 in Fed Cup play for USA - won doubles rubbers in World Group 1r and SF ties vs. Argentina (w/Ditty) and Czech Republic (w/Mattek-Sands); l. doubles rubber to Italy in final vs. Italy (w/King, l. to Errani/Vinci).
