Pakistan, Sept. 12 -- Soon-to-be world number one Elena Rybakina produced a gritty comeback against Coco Gauff to reach the US Open final, in which she will face Aryna Sabalenka in a blockbuster showdown between the tournament's top two seeds.

Rybakina is guaranteed to end Sabalenka's 99-week reign as world number one and will replace the Belarusian at the top when the rankings are updated on Monday.

But the Kazakh second seed could rub more salt in Sabalenka's wounds if she can deny the top seed a third successive US Open title in Saturday's showpiece.

Sabalenka sent a warning to her rivals as she overpowered home hope Jessica Pegula 7-5 6-2 to keep alive her bid to become the third woman in the Open era to win the New York singles ti...