Naomi debuted her first of two stunning US Open outfits during her winning match on Tuesday.

On Tuesday, Japan’sNaomi Osakabeat Latvia’s Jelena Ostapenko in the first round of the US Open.

It’s a big deal for two reasons: Osaka, who is currentlyrankedNo.

Naomi Osaka on a tennis court, holding a racket up and covering her mouth with her other hand, showing an emotional reaction

88, won against a Top 10 player for the first time in over four years.

In July 2023, shegave birth to her first child, a daughter with rapper Cordae.

Both are meant to honor her Japanese heritage.

Naomi Osaka, wearing athletic tennis attire, clenches her fist and smiles towards the sky on a tennis court

She even practiced in the full look, sans the headphones of course.

The looks are a collaboration between Nike and Japanese designerYoon Ahn.

Osaka opened up about the inspiration for the joyous look in an interview with theNew York Timesearlier this week.

Tennis player Naomi Osaka waves to the crowd while holding her racket on a tennis court, with cheering spectators and camera crew in the background

“The inspiration for me was definitely Japanese, like Harajuku,” she told the publication.

They go out and wear pink, frills, bows, lace.

Naomi Osaka waves while wearing a sporty outfit with a visor and carrying Yonex tennis bags

Its about really owning the cutesy-ness and the girly-hood," she said.

“Especially with this outfit.

Its so big, maybe itll create a bigger presence,” she said.

Naomi Osaka serves on a tennis court, wearing a white top with a large green bow and a layered green skirt. Spectators watch from the background

As for the color choices, she associates green with “peace and serenity.”

There’s a reason she picked black.

“For me, black is strength,” she told the publication.

Naomi Osaka in mid-action during a tennis match, wearing a sporty outfit with a large bow on her back. She is focused and poised, ready to hit the ball

“For me, thats the super-suit color.

I feel a little bit likeBlack Panther.”

Naomi will take on Russia’s Karolina Muchova in the second round on Thursday.

Naomi Osaka mid-air, swinging a tennis racket during a match at a tennis court. She is wearing a sporty outfit with a ruffled skirt

A match time has not yet been announced.

Naomi Osaka serves the tennis ball during a match, wearing a sleeveless sports outfit with a ruffled skirt and a visor

Naomi Osaka celebrates on the tennis court, wearing a sporty outfit and holding a racket, during a match

Naomi Osaka, in action, hits a forehand shot during a tennis match, wearing a sleeveless dress and matching visor

Naomi Osaka, wearing a tennis dress with ruffled skirt, looks upwards and clenches her fist while holding a tennis racket on a court

Naomi Osaka holds up a tennis racket on a court, wearing a sleeveless sporty dress with tiered ruffles

Karolina Muchova serves during a tennis match wearing a sleeveless top and headband