Katie Charlotte Boulter is an English professional tennis player. On 4 November 2024, she reached her best singles ranking of world No. 23. On 6 January 2025, she peaked at No. 277 in the WTA doubles rankings. Boulter has won three singles titles on the WTA Tour as well as seven singles titles and four doubles titles on the ITF Women's Circuit. She is the current British No. 1 in women's singles.
Katie Boulter suffers a last-16 exit at Queen's to Diana Shnaider, relinquishing her title as British number one for the first time..
