Kayla Day is a talented American tennis player known for her powerful left-handed game and resilience on the court. After a challenging period of injuries, she made a notable comeback in the 2025 season, proving she still has the skills to compete at a high level.
In this article, you will know Kayla Day’s Net worth, career earnings, career overview, stats, relationship, and more.
Kayla Day’s Biography
| Category | Details |
|---|---|
| Full Name | Kayla Day |
| Date of Birth | September 28, 1999 |
| Age | 26 |
| Education | Home Schooled / Professional Tennis |
| Nationality | American |
| Height | 5 ft 8 in (1.73 m) |
| Weight | Approx. 140 lbs (63 kg) |
| Turned Pro | 2017 |
| Net Worth | $500,000 – $1 Million (Est.) |
| Salary/Career Earnings | ~$1.3 Million (Prize Money) |
| Husband/Boyfriend | Single / Private |
| Instagram Profile | @kaylaeday |
| Twitter Profile | @kaylaeday |
Early Career
Kayla Day was born and raised in Santa Barbara, California. She started playing tennis at age seven and quickly showed immense potential as a left-handed player.
Her junior career was nothing short of spectacular. She reached the top of the junior world rankings and became the number one junior girl in the world.​
Her breakout moment came in 2016 when she won the US Open Girls’ Singles title. In the same tournament, she also finished as the runner-up in the doubles event.
This success announced her arrival on the big stage. She turned professional shortly after, skipping college to pursue her dream of playing on the WTA tour full-time.​
Professional Career
Kayla’s professional journey has been a mix of high peaks and injury struggles. She reached her career-high singles ranking of No. 84 in April 2024 after a strong run of form. However, a significant ankle injury later that year forced her to step away from the tour for surgery and recovery.​
She returned to competition in April 2025 after a nine-month layoff. Her comeback season was a testament to her grit. In September 2025, she won the Central Coast Tennis Classic in Templeton, California, capturing the title on her 26th birthday.
This victory was her seventh professional singles title and marked her return to winning ways. By the end of 2025, she had rebuilt her ranking and re-established herself as a dangerous opponent on the ITF and WTA circuits.​
Coach
Kayla Day is coached by Larry Mousouris. Larry has been a part of her tennis life since she was nine years old and remains a key figure in her development. He was present for her emotional title win in Templeton in September 2025, where she thanked him for his long-term support.​
In previous seasons, she has also worked with other high-profile coaches. During her successful 2023 season, she worked with Australian tennis legend Pat Cash, who helped her improve her movement and backhand on clay courts.​
Kayla Day’s Net Worth Details
As of 2025, Kayla Day’s net worth is estimated to be between $500,000 and $1 million. Her wealth primarily comes from her tournament prize money, which exceeds $1.3 million over her career.
Career Earnings
| Year | Status | Estimated Prize Money |
|---|---|---|
| 2025 | Active (Comeback) | ~$83,898 ​ |
| 2024 | Active / Injured | ~$328,763 ​ |
| 2023 | Active | ~$373,245 ​ |
| Career Total | All Years | ~$1,290,451 ​ |
Career Stats
| Category | Statistic |
|---|---|
| Career Win-Loss (Singles) | 258 – 199 ​ |
| 2025 Win-Loss | 31 – 18 ​ |
| Career Titles (ITF) | 7 ​ |
| Highest Ranking (Singles) | No. 84 (April 1, 2024) ​ |
| Best Grand Slam Result | 3rd Round (French Open 2023) ​ |
FAQs
1. What is Day’s highest professional singles ranking?
She reached her career-high singles ranking of world number 84 on April 1, 2024. This achievement marked a significant milestone in her professional career before she took time off for surgery later that year.
2. Is Kayla Day a left-handed tennis player?
Yes, she plays left-handed, which provides her with a strategic advantage against many opponents. Her playing style relies heavily on a powerful forehand and a strong serve to dictate points from the baseline.
3. Who currently coaches Kayla Day?
She currently trains under her longtime coach, Larry Mousouris, who has mentored her since she was nine years old. During her 2023 season, she also worked with former Wimbledon champion Pat Cash to improve her game.
4. Has Day won a Grand Slam tournament title?
She captured the Junior US Open girls’ singles title in 2016, establishing herself as a top prospect. On the professional tour, her best Grand Slam result was reaching the third round of the French Open in 2023.
5. Did Kayla Day win any titles during the season?
She secured the singles title at the Central Coast Tennis Classic in Templeton, California. This victory served as her seventh ITF title and highlighted her successful comeback to professional tennis after injury.



