Torrance’s Iva Jovic prepares to strike the ball during a win over Poland’s Magda Linette on the first day of the U.S. Open on Monday in New York. Iva Jovic, a 16-year-old from Torrance, became the youngest American to win a women’s main-draw match at the U.S. Open since 2020, eliminating 2023 Australian Open semifinalist Magda Linette of Poland 6-4, …