Olga Danilović Olga Danilović ( sr-Cyrl, Олга Даниловић, ; born 23 January 2001) is a Serbian professional tennis player. On 5 May 2025, she reached her best singles ranking of world No. 33. On 24 April 2023, she peaked at No. 104 in the WTA double ...

and

Marta Kostyuk Marta Olehivna Kostyuk ( ; born 28 June 2002) is a Ukrainian professional tennis player. She has career-high WTA rankings of world No. 16 in singles, achieved on 17 June 2024 and No. 27 in doubles, achieved on 8 May 2023. On the WTA Tour, she h ...

were the defending champions, but both players chose not to participate. Top seeds

Cori Gauff Cori Dionne "Coco" Gauff ( ; born March 13, 2004) is an American professional tennis player. She has a career-high ranking of world No. 2 in singles and of world No. 1 in doubles by the Women's Tennis Association (WTA). Gauff has won ten career ...

and

Caty McNally Catherine "Caty" McNally (born November 20, 2001) is an American professional tennis player. She achieved her career-high singles ranking of world No. 54 on 22 May 2023 and her best WTA doubles ranking of No. 11 on 4 April 2022. She has won ei ...

won the title, defeating

Hailey Baptiste Hailey Baptiste (born November 3, 2001) is an American professional tennis player. She reached her best singles ranking of world No. 70 on 19 May 2025. She has won one WTA Tour and two WTA Challenger Tour doubles titles. Her highest doubles rank ...

and

Dalayna Hewitt Dalayna Hewitt (born December 16, 2000) is an American tennis player. Hewitt has a career-high singles ranking by the WTA of 383, reached on 6 May 2024. She also has a career-high WTA doubles ranking of 160, achieved on 25 November 2024. Hewi ...

in an all-American final, 6–3, 6–2.

Seeds

Draw

Finals

Top half

Bottom half

External links

Main draw
{{DEFAULTSORT:2018 US Open - Girls' Doubles Girls' Doubles

2018 Events January * January 1 – Bulgaria takes over the Presidency of the Council of the European Union, after the Estonian presidency. * January 4 – SPLM-IO rebels loyal to Chan Garang Lual start a raid against Juba, capital of ...