section_path: Professional/2023: US Open singles champion, world No. 3
section_name: 2023: US Open singles champion, world No. 3
paragraph_text: 2023: US Open singles champion, world No. 3
  
  Gauff started her 2023 season at the Auckland Open, where she defeated Rebeka Masarova in the final in straight sets. At the Australian Open, Gauff advanced to the fourth round, where she lost to Jeļena Ostapenko in straight sets. At the Qatar Ladies Open, Gauff reached the quarterfinals after defeating two-time champion Petra Kvitová in the second round. At the same tournament in doubles, Gauff and Jessica Pegula defended their title, defeating Lyudmyla Kichenok and Jeļena Ostapenko in a three-set match. At Dubai, Gauff reached the semifinals by defeating Madison Keys in the quarterfinals, before losing to Iga Świątek. At Indian Wells, Gauff lost in the quarterfinals to second seed and eventual runner-up, Aryna Sabalenka. In Miami, Gauff lost against 27th seed Anastasia Potapova in the third round. In doubles at the same tournament, Gauff won her fifth overall and third WTA 1000 team title with her partner Jessica Pegula. They became the first all-American duo to win the Miami Open doubles title in 22 years, defeating Leylah Fernandez and Taylor Townsend in the final.
  
  In August, Gauff won the Washington Open title, beating Maria Sakkari in the final. It was Gauff's first WTA 500 singles title, and her biggest singles title to date. She became the first teenager to win the tournament. Gauff won her first WTA 1000 title at the 2023 Cincinnati Open, defeating world No. 1, Iga Świątek, in the semifinals and world No. 10, Karolína Muchová, in the final.
  
  In September, Gauff won the US Open, her first major singles title, beating world No. 2, Aryna Sabalenka, in three sets and becoming the first American teenager to win the US Open since Serena Williams in 1999. As a result, she reached world No. 3 in the rankings on 11 September 2023 and was nominated at the Laureus World Sports Awards for Breakthrough of the Year.
  
  Gauff and Pegula returned to the world No. 1 doubles ranking on 23 October 2023, after qualifying for the 2023 WTA Finals as a pair and also individually, becoming the first players to qualify in both disciplines in back-to-back years since Sara Errani in 2012–13.
  
  Gauff started her 2023 season at the Auckland Open, where she defeated Rebeka Masarova in the final in straight sets. At the Australian Open, Gauff advanced to the fourth round, where she lost to Jeļena Ostapenko in straight sets. At the Qatar Ladies Open, Gauff reached the quarterfinals after defeating two-time champion Petra Kvitová in the second round. At the same tournament in doubles, Gauff and Jessica Pegula defended their title, defeating Lyudmyla Kichenok and Jeļena Ostapenko in a three-set match. At Dubai, Gauff reached the semifinals by defeating Madison Keys in the quarterfinals, before losing to Iga Świątek. At Indian Wells, Gauff lost in the quarterfinals to second seed and eventual runner-up, Aryna Sabalenka. In Miami, Gauff lost against 27th seed Anastasia Potapova in the third round. In doubles at the same tournament, Gauff won her fifth overall and third WTA 1000 team title with her partner Jessica Pegula. They became the first all-American duo to win the Miami Open doubles title in 22 years, defeating Leylah Fernandez and Taylor Townsend in the final.
  
  In August, Gauff won the Washington Open title, beating Maria Sakkari in the final. It was Gauff's first WTA 500 singles title, and her biggest singles title to date. She became the first teenager to win the tournament. Gauff won her first WTA 1000 title at the 2023 Cincinnati Open, defeating world No. 1, Iga Świątek, in the semifinals and world No. 10, Karolína Muchová, in the final.
  
  In September, Gauff won the US Open, her first major singles title, beating world No. 2, Aryna Sabalenka, in three sets and becoming the first American teenager to win the US Open since Serena Williams in 1999. As a result, she reached world No. 3 in the rankings on 11 September 2023 and was nominated at the Laureus World Sports Awards for Breakthrough of the Year.
  
  Gauff and Pegula returned to the world No. 1 doubles ranking on 23 October 2023, after qualifying for the 2023 WTA Finals as a pair and also individually, becoming the first players to qualify in both disciplines in back-to-back years since Sara Errani in 2012–13.