Kayla Day Bio
Kayla Day is an American professional tennis player born on September 28, 1999, in Santa Barbara, California. She has achieved a career-high singles ranking of world No. 84 as recognized by the Women’s Tennis Association (WTA). Known for her left-handed plays and two-handed backhand, Kayla turned pro in 2017 and has since competed in various International Tennis Federation (ITF) and WTA events. Notably, she was a junior champion, winning the 2016 US Open title in the girls’ category, and has shown significant promise as she continues to develop her career on the professional circuit.
Early Life and Background
Kayla Day began playing tennis at the age of seven. She was raised in a family with a diverse background, as her mother is from the Czech Republic. Growing up in Santa Barbara, California, she was exposed to the sport early on, which laid the foundation for her future career. Her dedication to tennis was evident from a young age, as she quickly progressed through the ranks of junior tennis.
Path to Tennis
Throughout her junior career, Kayla Day achieved remarkable success, becoming the top-ranked player in the girls’ 12s, 14s, 16s, and 18s national rankings in the United States. In 2016, she reached the pinnacle of the ITF junior rankings by winning the Junior US Open and also made significant strides at other prestigious events, including reaching the semifinals at Wimbledon and the finals at the Orange Bowl. Under the guidance of her coach, Larry Mousouris, she honed her skills and prepared for a transition to professional tennis.
Kayla Day Career
Early Career (2017-2020)
Kayla Day made her WTA Tour debut at the Connecticut Open in New Haven after qualifying as a lucky loser. She won her first match at the US Open against compatriot Madison Brengle, marking a significant milestone in her early career. Shortly after turning 17, she captured her first career title at a 50k tournament in Macon, Georgia, and reached the semifinals at another tournament in Scottsdale, which helped her break into the top 200 for the first time.
Breakthrough (2021-2024)
In 2023, Kayla Day achieved a major breakthrough by reaching the third round of the French Open, her first main draw appearance at Roland Garros since 2017. She defeated notable players, including 20th seed Madison Keys, showcasing her talent on the grand stage. This performance propelled her ranking to world No. 94. In 2024, she continued her ascent, achieving a career-high ranking of No. 84 on April 1, 2024.
Notable Works and Milestones
Kayla Day’s signature work includes her victory at the 2016 Junior US Open, which established her as a formidable player in junior tennis. Her career has been marked by significant milestones, including her first Grand Slam match win and her rise into the top 100 rankings.
Kayla Day Award Nominations
Throughout her career, Kayla Day has received recognition for her achievements in tennis, particularly during her junior years.
Kayla Day Awards Won
Kayla Day has won multiple titles on the ITF Circuit, including seven singles titles and three doubles titles, reflecting her competitive spirit and skill on the court.
Kayla Day Family
Information regarding Kayla Day’s family background is limited, but it is known that her mother hails from the Czech Republic.
Personal Life
Kayla Day maintains a low profile regarding her personal life, focusing primarily on her tennis career. As of now, there are no publicly available details about her relationships or partnerships.









