The world No. 1 faces a few obstacles, while Coco Gauff is on the upswing and Iga Swiatek and Elena Rybakina hope for some new-coach magic.

Our thoughts on the biggest possible early-round upsets, and who could actually win it all if things broke right.

The Australian Open, the first tennis major of the year, is set to begin on Sunday, Jan. 12 in Melbourne, with viewing hours beginning on Saturday night in the United States. The world's biggest ...