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This is just the beginning' - Osorio Serrano ends 'unreal' junior career with US Open title, gives Federer shoutout
![New York, United States. 05th Sep, 2019. Reese Brantmeier (USA) in action during junior girls round 3 at US Open Championships against Polina Kudermetova (Russia) at Billie Jean King National Tennis Center ( New York, United States. 05th Sep, 2019. Reese Brantmeier (USA) in action during junior girls round 3 at US Open Championships against Polina Kudermetova (Russia) at Billie Jean King National Tennis Center (](https://c8.alamy.com/comp/WN292P/new-york-united-states-05th-sep-2019-reese-brantmeier-usa-in-action-during-junior-girls-round-3-at-us-open-championships-against-polina-kudermetova-russia-at-billie-jean-king-national-tennis-center-photo-by-lev-radinpacific-press-credit-pacific-press-agencyalamy-live-news-WN292P.jpg)
New York, United States. 05th Sep, 2019. Reese Brantmeier (USA) in action during junior girls round 3 at US Open Championships against Polina Kudermetova (Russia) at Billie Jean King National Tennis Center (
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Maria Camila Osorio Serrano wins US Open girls' singles title - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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Maria Camila Osorio Serrano wins US Open girls' singles title - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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2019 US Open Notebook: Federer falls, Serena cruises on Day 9 - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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2019 US Open Notebook: Federer falls, Serena cruises on Day 9 - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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Top 10 stories from the 2019 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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2019 US Open Qualifying Quadrant, Day 2: Serving up experience and youth - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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2019 US Open Junior Championships preview - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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New York, NY - September 5, 2019: Robin Montgomery (USA) in action during junior girls round 3 at US Open Championships against Katrina Scott (USA) at Billie Jean King National Tennis Center Stock Photo - Alamy
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Osaka, Nadal, Halep, Tsitsipas, Gauff headline Day 2 play at 2019 US Open - Official Site of the 2022 US Open Tennis Championships - A USTA Event
![US Open Tennis on Twitter: ".@CamiOsorioTenis saves the best 'til last to win her first Junior Grand Slam title: https://t.co/QvhtsfvOAH #USOpen https://t.co/lYC6E5E0Sz" / Twitter US Open Tennis on Twitter: ".@CamiOsorioTenis saves the best 'til last to win her first Junior Grand Slam title: https://t.co/QvhtsfvOAH #USOpen https://t.co/lYC6E5E0Sz" / Twitter](https://pbs.twimg.com/media/EEAouOgXUAAHY9V.jpg)