Serena Williams opens up on life after tennis and new children's book 'The Adventures of Qai Qai'

ABC News

(NEW YORK) — Serena Williams is opening up about how she is moving forward after the final match of her historic career at the U.S. Open earlier this month.

The tennis legend appeared on Good Morning America Wednesday and said “it hasn’t quite sunk in yet.”

“I’ve been so busy literally every day — except for the first two days I literally slept all day — but otherwise, it’s just like, OK, I’m still running a business, still have my company … still a mom,” she shared.

Reflecting on what was likely her final tennis match at Arthur Ashe Stadium in