Katie Charlotte Boulter is an English professional tennis player. She reached a career-high ranking of No. 23 at the end of 2024 after turning in one of her finest seasons on tour. She captured the biggest title of her career at the WTA 500 San Diego and successfully defended her WTA 250 Nottingham title. She concluded the year with a runner-up finish at the 2024 Prudential Hong Kong Tennis Open and then played No. 1 singles for a British team that reached the Billie Jean King Cup semifinals. She finished in the year-end top 25 for the first time. This season, she lifted the WTA 125 Trophee Clarins title and was a quarterfinalist at the WTA 250 Nottingham. Katie's best result at a Grand Slam was R32 at Wimbledon (2022, 2023) and the US Open (2023). Her career wins over top 10 opponents included No. 5 Jessica Pegula, No. 7 Karolina Pliskova, and No. 9 Paula Badosa.
