![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGTWB/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGTWB.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
Rafael Nadal wins the 2019 US Open men's title, here's where you can get his entire grand slam outfit - Yahoo Sports
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGEYF/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGEYF.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGEMB/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGEMB.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGMX9/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGMX9.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGEF5/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGEF5.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGPMK/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGPMK.jpg)
Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy
![Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy Naomi Osaka (JPN) competing in the first round of the 2019 US Open Tennis wearing her new NikeCourt x Sacai tennis outfit Stock Photo - Alamy](https://c8.alamy.com/comp/WDGW14/naomi-osaka-jpn-competing-in-the-first-round-of-the-2019-us-open-tennis-wearing-her-new-nikecourt-x-sacai-tennis-outfit-WDGW14.jpg)