![Katerina Stewart of USA returns ball during qualifying day 1 against Varvara Lepchenko of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific Katerina Stewart of USA returns ball during qualifying day 1 against Varvara Lepchenko of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific](https://l450v.alamy.com/450v/k0f0m6/new-york-usa-22nd-aug-2017-katerina-stewart-of-usa-returns-ball-during-k0f0m6.jpg)
Katerina Stewart of USA returns ball during qualifying day 1 against Varvara Lepchenko of USA at US Open Tennis championship at USTA Billie Jean King National Tennis Center (Photo by Lev Radin/Pacific
![ZooTennis: Hance, Emma Win Claremont Titles; Katerina Stewart into Palm Harbor $25,000 Pro Circuit Final ZooTennis: Hance, Emma Win Claremont Titles; Katerina Stewart into Palm Harbor $25,000 Pro Circuit Final](http://3.bp.blogspot.com/-eFdFvDZAXBY/VRcg7taoU3I/AAAAAAAAblw/QGsJMJpvK7k/s1600/Emma12-14.jpg)
ZooTennis: Hance, Emma Win Claremont Titles; Katerina Stewart into Palm Harbor $25,000 Pro Circuit Final
![Pro Circuit Round-up: Katerina Stewart wins in Macon, takes lead in Australian Open Wild Card Challenge Pro Circuit Round-up: Katerina Stewart wins in Macon, takes lead in Australian Open Wild Card Challenge](https://www.usta.com/content/dam/usta/Articles/article-primary/20191028_Katerina_Stewart_Shelby_Rogers_A.jpg)
Pro Circuit Round-up: Katerina Stewart wins in Macon, takes lead in Australian Open Wild Card Challenge
![Tennis player Katerina Stewart of USA (pictured) in action during the match against Czech Lucie..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201807250624901 | agefotostock Tennis player Katerina Stewart of USA (pictured) in action during the match against Czech Lucie..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201807250624901 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/cefb38697701a648e4357dbc486d84d9/ckp-p201807250624901.jpg)
Tennis player Katerina Stewart of USA (pictured) in action during the match against Czech Lucie..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201807250624901 | agefotostock
![Junior Tennis Player Katerina Stewart from United States during Semifinal Match at the Billie Jean King National Tennis Center Editorial Stock Image - Image of national, junior: 44718914 Junior Tennis Player Katerina Stewart from United States during Semifinal Match at the Billie Jean King National Tennis Center Editorial Stock Image - Image of national, junior: 44718914](https://thumbs.dreamstime.com/z/junior-tennis-player-katerina-stewart-united-states-semifinal-match-billie-jean-king-national-tennis-center-new-44718914.jpg)
Junior Tennis Player Katerina Stewart from United States during Semifinal Match at the Billie Jean King National Tennis Center Editorial Stock Image - Image of national, junior: 44718914
![Tennis Briefs(4): UF 2nd at TOC Nationals; Stewart Wins Easter Bowl | Category - News | | Nature Coast Tennis Foundation Tennis Briefs(4): UF 2nd at TOC Nationals; Stewart Wins Easter Bowl | Category - News | | Nature Coast Tennis Foundation](http://s3.amazonaws.com/ustaassets/assets/651/15/mainfckeditordimension/stewart_katerina_2013.jpg)