Pegula through to semi-finals

Jessica Pegula fired a career-high 16 aces and saved a match point before winning the final three games to beat Linda Noskova 7-6 (2), 4-6, 7-5 in her round-robin group at the WTA Finals on Thursday. The victory moved the American into the semi-finals to face Mirra Andreeva.“Even with 16 aces, it ju