Caroline Wozniacki is back.

After nearly four years away from professional tennis, the former world No. 1 made a statement on Arthur Ashe Stadium Wednesday night, defeating two-time Grand Slam champion Petra Kvitova in straight sets to advance to Round 3 at the US Open.

“Obviously we knew each other's game very well,” Wozniacki said after the incredible win, per ESPN. “But I'm just so happy that I was the one who came out on top today.”

Wozniacki came out of retirement at 33-years-old, and it seems to be the right decision after the Danish star upset Kvitova 7-5, 7-6 (5) to reach the final 32 at Flushing Meadows.

“This couldn't be better,” Wozniacki continued. “It's a dream come true. If you had asked me three years ago, I would have said I'll never be back here, playing on this court.”

Wozniacki won the 2018 Australian Open, and reached No. 1 in the WTA rankings before leaving the sport in 2020 to start a family with husband David Lee, a former NBA player.

When she won her match on Wednesday, she was sporting two gold chains, “each carrying a name written in cursive: Olivia, for her 2-year-old daughter, and James, for her 10-month-old son,” wrote ESPN.

Although currently No. 623 in the world, Wozniacki is looking dangerous at her first return to the US Open campus since 2019. She was the runner-up here in 2009, losing to Kim Clijsters, and again in 2014 when she lost to Serena Williams in the final.

“I love New York. I love this court. I love everything about this city and playing here,” Wozniacki explained, per ESPN. “Absolutely, as soon as I came here over a week ago, I already — instantly — felt so comfortable on these courts and knew that I could play some great tennis and I would be dangerous in the draw.”

In the third round, she'll face 2020 US Open semifinalist Jennifer Brady, another player who returned to the tour after two years away. Brady has been hindered by injuries but is looking back to form, and Friday should spell another entertaining match.

Caroline Wozniacki is up to 122 major match wins in her career, good enough for fourth-most among active women, trailing just Venus Williams, Victoria Azarenka and Kvitova herself.