2018 US Open – Girls' doubles
| Girls' doubles | |
|---|---|
| 2018 US Open | |
| Champions | Cori Gauff Caty McNally |
| Runners-up | Hailey Baptiste Dalayna Hewitt |
| Score | 6–3, 6–2 |
Olga Danilović and Marta Kostyuk were the defending champions, but both players chose not to participate.
Top seeds Cori Gauff and Caty McNally won the title, defeating Hailey Baptiste and Dalayna Hewitt in an all-American final, 6–3, 6–2.
Seeds
- Cori Gauff / Caty McNally (champions)
- Eléonora Molinaro / Wang Xiyu (first round)
- Alexa Noel / Naho Sato (quarterfinals)
- Elisabetta Cocciaretto / Clara Tauson (second round)
- Joanna Garland / Moyuka Uchijima (semifinals)
- Clara Burel / Diane Parry (second round)
- Camila Osorio / Gabriella Price (quarterfinals)
- Hurricane Tyra Black / Lea Ma (second round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| 1 | Cori Gauff Caty McNally | 6 | 6 | ||||||||||
| 5 | Joanna Garland Moyuka Uchijima | 2 | 2 | ||||||||||
| 1 | Cori Gauff Caty McNally | 6 | 6 | ||||||||||
| Hailey Baptiste Dalayna Hewitt | 3 | 2 | |||||||||||
| WC | Chloe Beck Emma Navarro | 4 | 3 | ||||||||||
| Hailey Baptiste Dalayna Hewitt | 6 | 6 | |||||||||||
Top half
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | Clara Burel Diane Parry | 6 | 6 | ||||||||||||||||||||||||
| Alt | Weronika Falkowska Stefania Rogozińska Dzik | 1 | 3 | 6 | C Burel D Parry | 5 | 5 | ||||||||||||||||||||
| Leylah Annie Fernandez Manon Léonard | 4 | 77 | [8] | WC | C Beck E Navarro | 7 | 7 | ||||||||||||||||||||
| WC | Chloe Beck Emma Navarro | 6 | 62 | [10] | WC | C Beck E Navarro | 6 | 6 | |||||||||||||||||||
| Elizabeth Mandlik Peyton Stearns | 6 | 710 | 3 | A Noel N Sato | 1 | 3 | |||||||||||||||||||||
| Daria Lopatetska Oksana Selekhmeteva | 3 | 68 | E Mandlik P Stearns | 2 | 4 | ||||||||||||||||||||||
| Violet Apisah Lulu Sun | 3 | 6 | [6] | 3 | A Noel N Sato | 6 | 6 | ||||||||||||||||||||
| 3 | Alexa Noel Naho Sato | 6 | 3 | [10] | WC | C Beck E Navarro | 4 | 3 | |||||||||||||||||||
| 8 | Hurricane Tyra Black Lea Ma | 3 | 6 | [11] | H Baptiste D Hewitt | 6 | 6 | ||||||||||||||||||||
| Kamilla Rakhimova Lenka Stará | 6 | 3 | [9] | 8 | HT Black L Ma | 3 | 6 | [13] | |||||||||||||||||||
| Himari Sato Zheng Qinwen | 6 | 6 | H Sato Q Zheng | 6 | 2 | [15] | |||||||||||||||||||||
| Mana Kawamura Daria Snigur | 3 | 1 | H Sato Q Zheng | 3 | 5 | ||||||||||||||||||||||
| Kamilla Bartone Francesca Curmi | 0 | 1 | H Baptiste D Hewitt | 6 | 7 | ||||||||||||||||||||||
| Hailey Baptiste Dalayna Hewitt | 6 | 6 | H Baptiste D Hewitt | 6 | 78 | ||||||||||||||||||||||
| Natasha Subhash Katie Volynets | 6 | 5 | [10] | N Subhash K Volynets | 4 | 66 | |||||||||||||||||||||
| 2 | Eléonora Molinaro Wang Xiyu | 2 | 7 | [2] | |||||||||||||||||||||||