2019 US Open – Girls' singles
| Girls' singles | |
|---|---|
| 2019 US Open | |
| Champion | Camila Osorio | 
| Runner-up | Alexandra Yepifanova | 
| Score | 6–1, 6–0 | 
Camila Osorio won the girls' singles tennis title at the 2019 US Open, defeating Alexandra Yepifanova 6−1, 6−0 in the final.
Wang Xiyu was the defending champion, but she competed in the women's singles as a lucky loser losing to Kirsten Flipkens in the first round.