After a disappointing US Open, Coco Gauff made changes to her game and her coaching staff. The results have been undeniable.

In a match slated for Saturday, Sofia Kenin (No. 81 in rankings) will face Coco Gauff (No. 3) in the Round of 128 at the Australian Open.Gauff’s last competition was a win, 7-5, 6-2, over

Swiatek had an up-close look, losing to Gauff in the WTA Finals in Saudi Arabia in November and in the final of the United Cup team event last week in Sydney. Both were straight-set results and came after Swiatek had led their head-to-head series 11-1.