![Misaki Doi of Japan in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy Misaki Doi of Japan in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy](https://c8.alamy.com/comp/2C8Y98Y/misaki-doi-of-japan-in-action-during-her-first-round-match-at-the-2019-us-open-grand-slam-tennis-tournament-2C8Y98Y.jpg)
Misaki Doi of Japan in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy
Japan's Misaki Doi makes a forehand return to Russia's Anastasia Pavlyuchenkova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)
![Naomi Osaka defeats Misaki Doi at the 2020 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event Naomi Osaka defeats Misaki Doi at the 2020 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_20200831_USO_C02I0065.jpg)
Naomi Osaka defeats Misaki Doi at the 2020 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
![US Open: Osaka made to work in win over Doi, as grand slam bubble bursts for US teen Gauff | South China Morning Post US Open: Osaka made to work in win over Doi, as grand slam bubble bursts for US teen Gauff | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/d8/images/methode/2020/09/01/0f28209e-ec0e-11ea-8288-5c49f42eee5c_image_hires_125139.jpg)
US Open: Osaka made to work in win over Doi, as grand slam bubble bursts for US teen Gauff | South China Morning Post
![Misaki Doi of Japan during the first round of the Roland-Garros 2021, Grand Slam tennis tournament on May 31, 2021 at Roland-Garros stadium in Paris, France - Photo Rob Prange / Spain Misaki Doi of Japan during the first round of the Roland-Garros 2021, Grand Slam tennis tournament on May 31, 2021 at Roland-Garros stadium in Paris, France - Photo Rob Prange / Spain](https://c8.alamy.com/comp/2G06N9G/misaki-doi-of-japan-during-the-first-round-of-the-roland-garros-2021-grand-slam-tennis-tournament-on-may-31-2021-at-roland-garros-stadium-in-paris-france-photo-rob-prange-spain-dppi-dppi-livemedia-2G06N9G.jpg)
Misaki Doi of Japan during the first round of the Roland-Garros 2021, Grand Slam tennis tournament on May 31, 2021 at Roland-Garros stadium in Paris, France - Photo Rob Prange / Spain
![Christian Zahalka on Twitter: "More DOI-Tennis to come soon #Cincinnati @western&southernopen @MisakiDoiTennis https://t.co/1EKqHfoP2U" / Twitter Christian Zahalka on Twitter: "More DOI-Tennis to come soon #Cincinnati @western&southernopen @MisakiDoiTennis https://t.co/1EKqHfoP2U" / Twitter](https://pbs.twimg.com/media/CpcF-_XUIAIY_j2.jpg:large)