Sloane Stephens is a highly accomplished American professional tennis player, reaching a career-high ranking of world No. 3. Her most significant achievement is winning the 2017 US Open. Overall, Stephens has secured seven WTA Tour-level singles titles. She has also achieved a doubles ranking of No. 63, winning one WTA doubles title.
In 1981, was the first all-American semifinals at a major since US Open.
In 1985, was the first all-American semifinals at a major since Wimbledon.
On March 20, 1993, Sloane Stephens, an American professional tennis player, was born.
In 1994, Sloane Stephens's father and mother separated following his multiple arrests.
In 1995, Corina Morariu and Ludmila Varmužová became the second pair of girls to win three Grand Slam tournament doubles titles in one season.
In 1997, Sloane Stephens's mother, Smith, married Sheldon Farrell, who became Stephens's stepfather.
In 1998, Lindsay Davenport won the US Open.
In 2000, the United States won their first Fed Cup title.
In 2002, the Stephens-Keys semifinal match was the first all-American semifinal since 2002.
In 2006, Stephens reached a career-high ranking of No. 4 in the world, making her the first American woman other than the Williams sisters to be ranked in the top 5 in singles since Lindsay Davenport in 2006.
In 2006, at the age of 13, Sloane Stephens began competing in low-level events on the ITF Junior Circuit.
In 2007, Sloane Stephens's stepfather, Sheldon Farrell, passed away from cancer.
In late 2007, Sloane Stephens participated in her first professional events on the ITF Women's Circuit.
In 2008, Sloane Stephens reached her first Grand Slam doubles final at the US Open with Mallory Burdette.
In 2008, Sloane Stephens received a wildcard into the Miami Open qualifying round, marking her WTA Tour event debut, and later won her first professional doubles title in Wichita with Christina McHale.
In 2009, Sloane Stephens participated in World TeamTennis and decided to turn pro in October after a strong junior season.
In 2009, Sloane Stephens won the USTA International Spring Championships and the Italian Open.
In 2009, Sloane Stephens's biological father died in a car crash, marking a period of personal loss.
In 2009, Stephens debuted in the World Team Tennis league with the New York Buzz.
Roger Smith began coaching Stephens in early 2009, helping her become a top-ranked junior.
In March 2010, Sloane Stephens qualified for the Indian Wells Open, marking her WTA Tour main-draw debut and securing her first career main-draw match win.
In 2010, Sloane Stephens and Tímea Babos won the doubles title at three Grand Slam tournaments, marking a significant achievement in their junior careers.
In 2010, Sloane Stephens only played in the remaining junior Grand Slam events and skipping the Australian Open.
In 2010, Under Armour became Sloane Stephens' clothing sponsor.
In 2011, Sloane Stephens climbed the WTA rankings, winning her first professional singles title and making her Grand Slam main-draw debut at the French Open.
In 2011, at the Adelaide International in 2020, Stephens suffered her first loss to a player outside the top 200 since 2011, losing to Arina Rodionova.
In June 2012, Stephens switched coaches to David Nainkin in order to try to qualify for the 2012 Olympics.
In 2012, Sloane Stephens had a third-round loss at the US Open which broke her streak.
In 2012, Stephens had her first encounter with Halep at the Barcelona Ladies Open, which Halep won.
In 2013, Sloane Stephens had her first major quarterfinal since Wimbledon.
In 2013, Sloane Stephens made her Fed Cup debut, contributing to the United States' return to the top-level World Group.
In 2013, Sloane Stephens upset Maria Sharapova at the Cincinnati Open and reached the fourth round of the US Open.
In 2013, Stephens secured her only victory against Serena Williams at the Australian Open, garnering international attention.
In 2013, Stephens won her next two meetings with Halep, including a first round match at the Australian Open.
In 2013, Stephens's relationship with Serena Williams became strained after their match at the Australian Open.
In 2013, at the age of 19, Sloane Stephens gained prominence with a semifinal appearance at the Australian Open, which included defeating Serena Williams.
In 2013, under Nainkin, Stephens had her breakthrough tournament at the 2013 Australian Open and reached a career-best ranking of No. 11 in the world.
Following her early 2014 US Open loss, Stephens expressed a mindset of not dwelling on outcomes.
In 2014, Both of Stephens' wins against Halep came before Halep entered the top ten.
In 2014, Sloane Stephens competed at the Hopman Cup and the Australian Open, and had her next success at the Indian Wells Open, where she upset Ana Ivanovic and reached the quarterfinals.
In 2014, Sloane Stephens struggled with an abdominal injury, impacting her performance and leading to a loss in the Fed Cup playoff tie against Sweden.
In 2014, Stephens played a season with the Washington Kastles in the World Team Tennis league.
In late 2014, Sloane Stephens briefly worked with Thomas Högstedt as her coach.
In late 2014, Stephens split with Paul Annacone after not matching the success from her previous year that season.
At the end of 2015, Sloane Stephens experienced a regression in her tennis career, falling outside the top 25 in rankings.
At the start of 2015, Sloane Stephens returned to her longtime junior coach, Nick Saviano, and in the offseason of 2015 she replaced him with Kamau Murray.
In 2015, Stephens first met Madison Keys in the second round of the Miami Open.
In 2015, Stephens lost to Serena Williams at the Indian Wells Open and the French Open, despite winning the first set in both instances.
In early 2015, Stephens described Serena Williams as simply a colleague.
In 2016, Sloane Stephens struggled at larger tournaments, participated in the Rio Olympics, and revealed a foot injury that would eventually require surgery.
In 2016, Sloane Stephens switched to coach Kamau Murray, leading to a resurgence in her performance and three WTA titles in the first half of the year. However, a foot injury cut her season short.
In 2016, Sloane Stephens, coached by Kamau Murray, won three titles.
Ranked 66 at the US Open in August 2021, she was defeated in the third round by 16th seed and 2016 champion, Angelique Kerber.
After Sloane Stephens won the 2017 US Open title, Kim Clijsters, who was her favorite player growing up, personally congratulated her.
In 2017, Sloane Stephens returned from injury to win the US Open in her fifth tournament back and was named WTA Comeback Player of the Year.
In 2017, Sloane Stephens was set to miss the first half of the year due to surgery.
In 2017, Sloane Stephens won a rematch of the 2017 US Open final against Madison Keys in the French Open semifinals.
In 2017, Sloane Stephens won her first major title at the US Open while working with Kamau Murray.
In 2017, Stephens defeated Madison Keys in the final of the US Open, securing her first major title.
In 2017, Stephens played a season with the Philadelphia Freedoms in the World Team Tennis league.
In late 2017, Sloane Stephens graduated from Indiana University East with a bachelor's degree in communications studies, completing her degree while recovering from foot surgery earlier in the year.
When Sloane Stephens won the 2017 US Open, she credited her mother for supporting her tennis career since she was young.
Both of Stephens' and Halep's biggest matches came in 2018, both of which were three set finals.
In 2018, Sloane Stephens won her first Premier Mandatory title and split with her coach Kamau Murray during the offseason.
In 2018, Sloane Stephens won her first Premier Mandatory title at the Miami Open, reached the French Open final, entered the top 10, and finished as runner-up at the WTA Finals.
In 2018, Stephens lost her 2018 WTA Finals rankings points near the end of the season, causing her to fall out of the top 20.
In 2018, Stephens played a season with the Philadelphia Freedoms in the World Team Tennis league.
In 2018, Stephens won her next meeting against Madison Keys in the semifinals of the French Open, reaching her second Grand Slam singles final.
In February 2022, Stephens won her seventh WTA singles title at the Abierto Zapopan, her first title since 2018.
In early 2018, Sloane Stephens signed a deal with Nike to be her clothing sponsor.
Stephens and Halep built a rivalry centered around their highest profile matches in 2018.
In August 2019, Sloane Stephens reunited with Kamau Murray shortly before the US Open after working with Sven Groeneveld for three months.
In 2019, Keys defeated Stephens for the first time in the quarterfinals of the Charleston Open.
In 2019, Stephens played a season with the New York Empire in the World Team Tennis league.
In 2019, Stephens reached the quarterfinals at the French Open for the first time since 2019 by defeating 23rd seed and world No. 24, Jil Teichmann, in the fourth round, before she was defeated by 18th seed and eventual finalist, Coco Gauff.
Throughout the 2019 season, Stephens struggled to match her best performances at Grand Slam tournaments, though she remained in the top 10 for most of the year.
In December 2020, Sloane Stephens received a Master of Business Administration degree from DeVry University.
In 2020, Stephens has a 1–6 record against Serena Williams, with three of their matches coming in 2013, other three in 2015 and one in 2020.
In 2020, it was announced that Stephens would join the Chicago Smash for their debut season in the World Team Tennis league.
Stephens began her 2020 season at the Brisbane International, losing in the first round to Liudmila Samsonova.
At the 2021 French Open, Sloane Stephens wore a striking all-black outfit.
In 2021, Sloane Stephens split with Kamau Murray before the Miami Open and began working with Darian King.
In 2021, Stephens avenged her Charleston Open defeat, beating Keys in straight sets in the 2nd round. But Keys prevailed at the 2021 Italian Open a month later. They played for a third time in 2021 at the US Open and Sloane prevailed in a third set tiebreak.
On January 1, 2022, Sloane Stephens married Jozy Altidore, a United States national soccer team player and her childhood friend.
Stephens began her 2022 season at the Australian Open, where she lost in the first round to Emma Raducanu.
As of January 2023, Sloane Stephens is endorsing the Head Speed line of rackets.