JANUARY - Won 47th WTA title at Brisbane (d. Pavlyuchenkova in final); reached QF at Australian Open (l. to Stephens).

FEBRUARY - Runner-up at Doha (l. to Azarenka in final); returned to No.1 on February 18 (oldest ever No.1); withdrew from Dubai w/back pain.

MARCH - Won 48th WTA title at Miami (d. Sharapova in final).

APRIL - Won 49th WTA title at Charleston (d. Jankovic in final).

1995 - Made pro debut at Québec City (as unranked WC, l. to No.149 Miller 61 61 in first round of qualifying); only match of year.

1996 - Did not play.

1997 - First Top 100 season (finishing No.99); fell in WTA qualifying three times then played first two WTA main draws, falling 1r at Moscow (l. to Po-Messerli) and reaching SF at Chicago (d. No.7 Pierce and No.4 Seles en route, falling to Davenport; at No.304 was lowest-ranked player ever to beat two Top 10 players in same event - since bettered by Clijsters at 2009 US Open); rose from No.304 to No.102 afterwards on November 10 and made Top 100 debut a week later on November 17 (rose from No.102 to No.100).

1998 - First Top 20 season; SF once; QF six times; reached 4r once (Roland Garros - l. to Sánchez-Vicario 46 75 63; led 64 52), 3r twice (Wimbledon - ret. vs. Ruano Pascual w/leg injury, and US Open) and 2r once (Australian Open - l. to V.Williams; would be only pre-3r loss at a Grand Slam for more than 14 years); was fastest player ever to record five Top 10 wins, doing it in 16th pro match against Spirlea in Miami (previous record-holder was Seles, who did it in 33rd pro match); made Top 50 debut on January 26 (after Australian Open; rose from No.53 to No.48) and Top 20 debut on June 22 (after Eastbourne; rose from No.22 to No.20); won first two WTA doubles titles (both w/V.Williams - third pair of sisters to win a WTA doubles title together); won first two Grand Slam mixed doubles titles at Wimbledon and US Open (both w/Mirnyi); V.Williams won Australian Open and Roland Garros (both w/Gimelstob) for a family mixed doubles Grand Slam.

1999 - First Top 5 season (finishing No.4); won first five WTA titles at Paris [Indoors] (d. Mauresmo in final), Indian Wells (d. Graf in final), Los Angeles (d. Halard-Decugis in final), US Open (first Grand Slam title; d. Hingis in final) and Grand Slam Cup (d. V.Williams in final); runner-up at Miami (l. to V.Williams); QF twice; reached 3r twice (Australian Open - l. to Testud 62 26 97; held 2mp, and Roland Garros) and 2r twice (incl. Filderstadt - l. to Testud 36 64 75; led 4-2 second set and 5-1 third set); made Top 10 debut on April 5 (after Miami; rose from No.11 to No.9) and Top 5 debut on September 13 (after US Open; rose from No.6 to No.4); V.Williams won Oklahoma City while S.Williams won Paris [Indoors], making them first sisters to win WTA titles in same week; and with V.Williams already in Top 10 when S.Williams reached Top 10 on April 5, first sisters to be ranked inside Top 10 at same time since April 22, 1991 (Manuela Maleeva-Fragnière and Katerina Maleeva); won three WTA doubles titles (all w/V.Williams - incl. first two Grand Slam doubles titles at Roland Garros, US Open); withdrew from Wimbledon w/flu and from WTA Championships w/back injury.

2000 - Another Top 10 season (finishing No.6); won three WTA titles at Hannover (d. Chladkova in final), Los Angeles (d. Davenport in final) and Tokyo [Princess Cup] (d. Halard-Decugis in final); runner-up twice at Paris [Indoors] (l. to Tauziat) and Montréal (ret. vs. Hingis in final w/left foot injury); SF at Wimbledon (l. to V.Williams); QF twice (incl. US Open); reached 4r twice (incl. Australian Open) and 2r once; won two WTA doubles titles (both w/V.Williams - incl. third Grand Slam doubles title at Wimbledon, Olympics); struggled with knee injury during clay court season (retired in Charleston 2r then withdrew from rest of clay court season, incl. Roland Garros); withdrew from WTA Championships w/left foot injury.

2001 - Another Top 10 season (finishing No.6); won three WTA titles at Indian Wells (d. Clijsters in final), Toronto (d. Capriati in final) and WTA Championships (received w/o in final from Davenport w/knee injury); runner-up at US Open (l. to V.Williams in final - first time sisters played each other in a Grand Slam final since Watson sisters at 1884 Wimbledon); QF six times (incl. other three majors and Los Angeles - l. to Seles 62 36 76(2); held 6mp); won one WTA doubles title (w/V.Williams - fourth Grand Slam doubles title at Australian Open).

2002 - First No.1 season; won eight WTA titles at Scottsdale (d. Capriati in final), Miami (d. Capriati in final), Rome (d. Henin in final), Roland Garros (second Grand Slam title; d. V.Williams in final), Wimbledon (third Grand Slam title; d. V.Williams in final), US Open (fourth Grand Slam title; d. V.Williams in final), Tokyo [Princess Cup] (d. Clijsters in final) and Leipzig (d. Myskina in final); Roland Garros final marked first time in 10 Grand Slam matches between sisters that the younger one won; runner-up twice at Berlin (l. to Henin in final) and WTA Championships (l. to Clijsters in final); SF once (Sydney - ret. vs. Shaughnessy w/right ankle injury then withdrew from Australian Open); QF twice (incl. Charleston - l. to Schnyder 26 64 75; held mp); reached No.3 for first time on May 20 (after Rome), No.2 for first time on June 10 (after Roland Garros) and No.1 for first time on July 8 (after Wimbledon - would hold No.1 for 57 straight weeks, losing it to Clijsters in 2003); on June 10 were first siblings ever to be Top 2 at same time (V.Williams No.1, S.Williams No.2); won two WTA doubles titles (incl. one w/V.Williams - fifth Grand Slam doubles title at Wimbledon).

2003 - Another Top 5 season (finishing No.3); won four WTA titles at Australian Open (fifth Grand Slam title; d. V.Williams in final - fourth straight Grand Slam final together), Paris [Indoors] (d. Mauresmo in final), Miami (d. Capriati in final) and Wimbledon (sixth Grand Slam title; d. V.Williams in final); runner-up at Charleston (l. to Henin in final); SF twice (incl. Roland Garros); Australian Open was fourth straight Grand Slam title, fifth player all-time to do that (after Connolly, Court, Navratilova and Graf) and ninth player all-time to get career Grand Slam (Sharapova has since become 10th); 57-week reign at No.1 ended on August 11 (to Clijsters); won one WTA doubles title (w/V.Williams - sixth Grand Slam doubles title at Australian Open); had left knee surgery on August 1 and subsequently withdrew from all events (incl. US Open, WTA Championships).

2004 - Another Top 10 season (finishing No.7); returned from left knee injury lay-off in March (missed Australian Open); won two WTA titles at Miami (d. Dementieva in final) and Beijing (d. Kuznetsova in final); runner-up three times at Wimbledon (l. to Sharapova in final), Los Angeles (l. to Davenport in final) and WTA Championships (l. to Sharapova in final); SF once; QF four times (incl. Roland Garros, US Open); reached 3r once and 2r once; withdrew prior to Charleston 3r and San Diego QF matches w/left knee inflammation.

2005 - Near-Top 10 season (finishing No.11); won one WTA title at Australian Open (seventh Grand Slam title; d. Davenport in final); SF once; QF three times; reached 4r once (US Open), 3r three times (incl. Wimbledon) and 2r twice; withdrew from Roland Garros w/left ankle injury; did not qualify for WTA Championships.

2006 - Played just four events in injury-plagued season (finished No.95); reached 3r at Australian Open then withdrew from all events until July w/left knee injury (incl. Roland Garros, Wimbledon); came back for three summer events, reaching SF twice and 4r once (US Open); did not qualify for WTA Championships.

2007 - Another Top 10 season (finishing No.7); won two WTA titles at Australian Open (eighth Grand Slam title; d. Sharapova in final; at No.81 was fourth-lowest-ranked player ever to win a Grand Slam title, after unranked Goolagong at 1977 Australian Open, No.111 O'Neil at 1978 Australian Open and unranked Clijsters at 2009 US Open) and Miami (d. Henin in final); runner-up at Moscow (l. to Dementieva in final); QF six times (incl. Roland Garros, Wimbledon, US Open); reached 2r once; fell 1r once; fell in RR at WTA Championships (ret. in first match w/left knee injury then withdrew from event); missed US Open lead-up w/thumb sprain.

2008 - Another Top 5 season (finishing No.2); won four WTA titles at Bangalore (d. Schnyder in final), Miami (d. Jankovic in final; fifth title there, tying Graf's all-time record), Charleston (d. Zvonareva in final) and US Open (ninth Grand Slam title; d. Jankovic in final); returned to No.1 afterwards on September 8 (five-year, one-month gap is longest between No.1 stints for any player ever, male or female - held it for four weeks, bringing career tally to 61 weeks); runner-up at Wimbledon (l. to V.Williams in final); SF once; QF four times (incl. Australian Open, Olympics); reached 3r once (Roland Garros) and 2r once; fell in RR stage at WTA Championships (went 1-1 in RR stage then withdrew from event w/abdominal injury); won two WTA doubles titles (both w/V.Williams - incl. seventh Grand Slam doubles title at Wimbledon, Olympics).

2009 - Second No.1 season; won three WTA titles at Australian Open (10th Grand Slam title; d. Safina in final) and Wimbledon (11th Grand Slam title; d. V.Williams in final) and WTA Championships (d. V.Williams in final); became first player ever to save match points en route to winning a Grand Slam three times, doing so at 2003 Australian Open (d. Clijsters 46 63 75 in SF; saved 2mp at 5-2 third set), 2005 Australian Open (d. Sharapova 26 75 86 in SF; saved 3mp at 5-4 third set) and 2009 Wimbledon (d. Dementieva 67(4) 75 86 in SF; saved mp down 5-4 third set); runner-up at Miami (l. to Azarenka in final); SF five times (incl. US Open); QF twice (incl. Roland Garros); reached 3r twice and 2r once; fell 1r twice; won four WTA doubles titles (all w/V.Williams - incl. eighth, ninth and 10th Grand Slam doubles titles at Australian Open, Wimbledon, US Open).

2010 - Another Top 5 season (finishing No.4); won two WTA titles at Australian Open (12th Grand Slam title; d. Henin in final; first player in Open Era to win there five times) and Wimbledon (13th Grand Slam title; d. Zvonareva in final); runner-up at Sydney (l. to Dementieva in final); SF once (Rome - l. to Jankovic 46 63 76(5); held mp at 5-4 third set); QF once (Roland Garros - l. to Stosur 62 67(2) 86; held mp at 5-4 third set); reached 3r once; missed three months early in season w/left knee injury (withdrew from Paris [Indoors], Dubai, Miami, Marbella and Charleston) and all post-Wimbledon events w/right foot injury (withdrew from Istanbul, Cincinnati, Montréal, US Open, Tokyo, Beijing, Linz and WTA Championships); spent most of season at No.1 until being replaced by Wozniacki on October 11 (career tally is now 123 weeks: 57 weeks from July 8, 2002 to August 10, 2003; 4 from September 8 to October 5, 2008; 11 from February 2 to April 19, 2009; 2 from October 12 to 25, 2009; and 49 from November 2, 2009 to October 10, 2010); won three WTA doubles titles (all w/V.Williams - incl. 11th and 12th Grand Slam doubles titles at Australian Open, Roland Garros); rose to No.1 in doubles on June 7 (co-No.1 w/V.Williams; third pair ever to occupy Top 2 spots in both singles and doubles, after Hingis/Novotna and Hingis/Davenport).

2011 - Near-Top 10 season after year-long injury and illness lay-off (finished No.12); missed first half of year w/right foot injury and PE (withdrew from Australian Open, Indian Wells, Miami, Charleston, Madrid, Rome and Roland Garros) but returned in June, going 4-2 in grass court season (2r at Eastbourne, 4r at Wimbledon) then going 18-1 in summer hardcourt season, winning two WTA titles at Stanford (d. Bartoli in final) and Toronto (d. Stosur in final), reaching 2r at Cincinnati (withdrew prior to match vs. Stosur w/right toe injury) and reaching final at US Open (l. to Stosur); withdrew from Tokyo and Beijing w/medical reasons.

2012 - Another Top 5 season (finishing No.3); went 10-2 from January to March, reaching QF twice and 4r once (Australian Open); went 48-2 record from April to end of season, winning seven WTA titles at Charleston (d. Safarova in final), Madrid (d. Azarenka in final), Wimbledon (14th Grand Slam title; d. A.Radwanska in final), Stanford (d. Vandeweghe in final), Olympics (d. Sharapova in final; only second woman ever to complete Career Golden Grand Slam, after Graf), US Open (15th Grand Slam title; d. Azarenka in final) and WTA Championships (d. Sharapova in final); only two losses in that stretch came at Roland Garros (l. to Razzano in 1r) and Cincinnati (l. to Kerber in QF); won two WTA doubles titles (both w/V.Williams - 13th Grand Slam doubles title at Wimbledon, third Olympic doubles title); withdrew prior to Brisbane QF w/left ankle sprain, prior to Rome SF w/low back injury and from Beijing w/illness.

SINGLES
Winner (51): 2013 - Brisbane, Miami, Charleston, Madrid, Rome; 2012 - Charleston, Madrid, Wimbledon, Stanford, Olympics, US Open, WTA Championships; 2011 - Stanford, Toronto; 2010 - Australian Open, Wimbledon; 2009 - Australian Open, Wimbledon, WTA Championships; 2008 - Bangalore, Miami, Charleston, US Open; 2007 - Australian Open, Miami; 2005 - Australian Open; 2004 - Miami, Beijing; 2003 - Australian Open, Paris [Indoors], Miami, Wimbledon; 2002 - Scottsdale, Miami, Rome, Roland Garros, Wimbledon, US Open, Tokyo [Princess Cup], Leipzig; 2001 - Indian Wells, Toronto, WTA Championships; 2000 - Hannover, Los Angeles, Tokyo [Princess Cup]; 1999 - Paris [Indoors], Indian Wells, Los Angeles, US Open, Grand Slam Cup.
Finalist (16): 2013 - Doha; 2011 - US Open; 2010 - Sydney; 2009 - Miami; 2008 - Wimbledon; 2007 - Moscow; 2004 - Wimbledon, Los Angeles, WTA Championships; 2003 - Charleston; 2002 - Berlin, WTA Championships; 2001 - US Open; 2000 - Paris [Indoors], Montréal; 1999 - Miami.

DOUBLES
Winner (22): 2012 - Wimbledon, Olympics (both w/V.Williams); 2010 - Australian Open, Madrid, Roland Garros (all w/V.Williams); 2009 - Australian Open, Wimbledon, Stanford, US Open (all w/V.Williams); 2008 - Wimbledon, Olympics (both w/V.Williams); 2003 - Australian Open (w/V.Williams); 2002 - Wimbledon (w/V.Williams), Leipzig (w/Stevenson); 2001 - Australian Open (w/V.Williams); 2000 - Wimbledon, Olympics (both w/V.Williams); 1999 - Hannover, Roland Garros, US Open (all w/V.Williams); 1998 - Oklahoma City, Zürich (both w/V.Williams).
Finalist (1): 1999 - San Diego (w/V.Williams).

MIXED DOUBLES
Winner (2): 1998 - Wimbledon, US Open (both w/Mirnyi).
Finalist (2): 1999 - Australian Open (w/Mirnyi); 1998 - Roland Garros (w/Lobo).

ADDITIONAL
American Fed Cup Team, 1999, 2003, 2007, 2012-13; American Olympic Team, 2000, 2008, 2012.