Photos:: Serena Williams through the years

Serena Williams celebrates her victory over Ekaterina Makarova in the 2014 U.S. Open semifinals. Williams is one of the most decorated players in tennis history. She has won 17 Grand Slam singles titles and 13 Major doubles championships.  (Stan Honda / AFP/Getty Images)

Sisters Serena, left, and Venus Williams smile for the camera while waiting out a rain delay at Wimbledon in 1997. Venus made her Wimbledon debut in 1997 while Serena would play her first Wimbledon match the following year.  (Stu Forster / Allsport)

Serena Williams returns a shot during her victory over Lindsay Davenport in the 1999 U.S. Open semifinals. Williams went on to win her first Grand Slam title.  (Kathy Willens / Associated Press)

Sisters Venus, left, and Serena Williams appear together on court during the WTA Italian Open in May 1998.  (Massimo Sambucetti / Associated Press)

Venus Williams, left, is congratulated by her younger sister, Serena, after her championship win at the Lipton Championships in Palm Beach, Fla., in March 1999.  (Tony Gutierrez / Associated Press)

Serena Williams celebrates during her victory over Julie Halard-Decugis at the Acura Classic in Manhattan Beach in August 1999.  (Michael Caulfield / Associated Press)

Serena Williams celebrates during her victory over Kim Clijsters in the 2001 Indian Wells final.  (John Mabanglo / AFP/Getty Images)

Serena Williams smiles after defeating her sister, Venus, to win the 2002 Wimbledon singles championship.  (David Caulkin / Associated Press)

Serena Williams, left, is congratulated by her sister, Venus, after defeating her for the 2000 Wimbledon singles title.  (Ted S. Warren / Associated Press)

Serena Williams, left, celebrates after defeating her sister, Venus, for the 2002 U.S. Open singles title.  (Richard Drew / Associated Press)

Serena Williams celebrates after winning her first Major tournament at the 1999 U.S. Open.  (Richard Drew / Associated Press)

Serena Williams celebrates with her U.S. Open trophy in Manhattan following her 2002 singles title. It was her fourth Major championship victory.  (John Moore / Associated Press)

Serena Williams celebrates a point against Justine Henin-Hardenne in the 2003 Wimbledon singles semifinals. Williams went on to claim her second Wimbledon title.  (Anja Niedringhaus / Associated Press)

Roger Federer, left, and Serena Williams celebrate their respective victories at Wimbledon in 2003.  (Rebecca Naden / Associated Press)

Serena Williams returns a shot from Katarina Srebotnik at the Nasdaq 100 Open in Key Biscayne, Fla., in March 2002.  (Jose Fernandez / Associated Press)

Serena Williams hits a forehand to Amalie Mauresmo during their semifinal match at Wimbledon in 2004.  (Nicolas Asfouri / AFP/Getty Images)

Serena Williams celebrates during her match against Daniela Hantuchova at Wimbledon in 2007.  (Adrian Dennis / AFP/Getty Images)

Serena Williams returns a shot during her quarterfinal victory over Shahar Peer at the 2007 Australian Open. Williams went on to win the major for a third time.  (Clive Brunskill / Getty Images)

Serena Williams returns a shot to her sister, Venus, during their match at the 2002 French Open final. Serena Williams defeated Venus to claim her second Grand Slam title.  (Phil Cole / Getty Images)

Serena Williams serves to Elena Dementieva during their semifinal match at the 2009 Australian Open. Serena Williams went on to win the Grand Slam tournament for the fourth time of her career.  (Oliver Weiken / EPA)

Venus, left, and Serena Williams pose after winning gold in women’s doubles at the 2012 London Olympic Games.  (Elise Amendola / Associated Press)

Serena Williams celebrates after defeating her sister, Venus, in the 2009 Wimbledon singles final.  (Peter van den Berg / Associated Press)

Serena Williams celebrates her victory over Maria Sharapova in the 2013 French Open singles final. Williams has won the French Open two times.  (Petr David Josek / Associated Press)

Serena Williams celebrates after winning the U.S. Open for the fifth time in her career in 2013.  (David Goldman / Associated Press)

Serena Williams leaps in celebration after defeating Zheng Jie in a third-round match at Wimbledon in 2012.  (Anja Niedringhaus / Associated Press)

Serena Williams skips rope before a practice session at the 2013 Australian Open.  (Scott Barbour / Getty Images)

Serena Williams returns a shot during her semifinal victory over Ekaterina Makarova at the 2014 U.S. Open.  (Charles Krupa / Associated Press)

Serena Williams reacts after defeating Caroline Wozniacki for her third consecutive U.S. Open title.  (Alex Goodlett / Getty Images)

Serena Williams celebrates during her victory over Caroline Wozniacki in the U.S. Open singles title match on Sunday.  (Matthew Stockman / Getty Images)

Serena Williams reacts after winning a point against Maria Sharapova in the Australian Open final on Jan. 31, 2015.  (Filip Singer / EPA)

Serena Williams poses with the championship trophy after defeating Maria Sharapova in the 2015 Australian Open final.  (William West / AFP/Getty Images)

Serena Williams plays a return during her Fed Cup playoff victory over Italy’s Camila Giorgi in Brindisi, Italy, on April 18, 2015.

Serena Williams celebrates a point during her victory over Victoria Azarenka at the French Open on May 30, 2015. With the win, Williams became the first woman in the Open era to achieve 50 or more wins in all four Grand Slams.

Serena Williams strikes a pose with the championship trophy after defeating Lucie Safarova in the French Open final on June 6, 2015.

Serena Williams celebrates a point during her victory over Garbiñe Muguruza in the Wimbledon final on Saturday.

Serena Williams holds her trophy after winning the Wimbledon women’s singles final against Angelique Kerber on July 9, 2016.  (Ben Curtis / Associated Press)

Naomi Osaka, right, shakes hands with Serena Williams after winning their Miami Open match March 21, 2018, in Key Biscayne, Fla.  (Lynne Sladky / Associated Press)

FILE - In this Sept. 7, 2019, file photo, Serena Williams returns a shot during her loss to Bianca Andreescu during the women’s singles final at the 2019 U.S. Open in New York.   (Eduardo Munoz Alvarez / Associated Press)

Serena Williams reacts during her U.S. Open quarterfinal match against Tsvetana Pironkova on Sept. 9, 2020, in New York.   (Seth Wenig / Associated Press)

Serena Williams sits with daughter Alexis Olympia Ohanian Jr. during a Fed Cup qualifying match Feb. 8, 2020, in Everett, Wash.  (Elaine Thompson / Associated Press)

Serena Williams waves as she leaves the court after losing to France’s Harmony Tan at Wimbledon on June 28.  (Alberto Pezzali / Associated Press)