Poland is hosting Switzerland and Ukraine in the round-robin qualifier, but Swiatek said Wednesday she made the "difficult decision" to skip it.

She’s just the fourth woman in the last decade to hit that number after Serena Williams, Ashleigh Barty and Iga Swiatek.

The first hard-court leg of the calendar year saw new champions, overwhelming upsets, and a resurgence of players in the new era.