Jessica Pegula leads Coco Gauff 4-2 in their head-to-head record.
Coco Gauff earned her place in the final after overcoming Jasmine Paolini.
Pegula stunned Aryna Sabalenka in the semi-finals, coming from a set down to win.
Pegula's win was her first against the World No.1 after four consecutive losses.
A win for Pegula would cement her spot at the WTA Finals in Riyadh, Saudi Arabia.
Coco Gauff is working on her serve issues, a major concern this year.
Author's summary: Gauff faces Pegula in Wuhan Open final.