![Mackenzie McDonald's success at US Open a testament to work ethic - Official Site of the 2022 US Open Tennis Championships - A USTA Event Mackenzie McDonald's success at US Open a testament to work ethic - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_20210831_USO_Day2_PS6_2683.jpg)
Mackenzie McDonald's success at US Open a testament to work ethic - Official Site of the 2022 US Open Tennis Championships - A USTA Event
![UCLA's Mackenzie McDonald wins NCAA men's tennis titles in singles, doubles – Orange County Register UCLA's Mackenzie McDonald wins NCAA men's tennis titles in singles, doubles – Orange County Register](https://www.ocregister.com/wp-content/uploads/migration/o80/o80ju1-b88724104z.120160530162528000gfqgrqco.10.jpg?w=1024)
UCLA's Mackenzie McDonald wins NCAA men's tennis titles in singles, doubles – Orange County Register
![2018 US Open Spotlight: Mackenzie McDonald - Official Site of the 2022 US Open Tennis Championships - A USTA Event 2018 US Open Spotlight: Mackenzie McDonald - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_McDonald_20180709.jpg)
2018 US Open Spotlight: Mackenzie McDonald - Official Site of the 2022 US Open Tennis Championships - A USTA Event
United States Tennis Association - USTA (Official) - Mackenize McDonald has his sights set on his first ATP Tour title at the Citi Open! | Facebook
![US Open Interview: Mackie McDonald - Official Site of the 2022 US Open Tennis Championships - A USTA Event US Open Interview: Mackie McDonald - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_Mackenzie-McDonald.jpg)