Elena Rybakina rallies to beat Coco Gauff and book US Open final with Aryna Sabalenka

<ul><li><p>Second seeded Kazakh comes from set down to win 3-6, 6-4, 6-4</p></li><li><p>Sabalenka awaits in title decider after blitzing Jessica Pegula</p></li></ul><p>One set may have already passed in her first US Open semi-final, b