Mika Stojsavljevic, a 15-year-old from London, made history at the US Open by becoming the first British girl to win a junior grand slam title since Heather Watson in 2009, defeating Japan's Wakana Sonobe 6-4, 6-4. Her victory marks her as the youngest winner of the girls' singles title since 2006 and showcases her impressive growth throughout the tournament, including a semi-final win over American Iva Jovic. National coach Katie O'Brien praised her mental fortitude, noting her ability to handle pressure during crucial matches. Stojsavljevic expressed gratitude for her family and the crowd's support, highlighting her dedication to the sport since she started playing at age five. This triumph indicates a promising future for British tennis, especially following Jack Draper's recent semi-final appearance in the men's draw. Stojsavljevic's powerful game, reminiscent of her idol Maria Sharapova, further cements her potential in the tennis world.