# 2008 US Open – Girls' singles

Kristína Kučová was the defending champion, but did not compete in the juniors that year.
CoCo Vandeweghe won the tournament, defeating Gabriela Paz in the final, 7–6$^{(7–3)}$, 6–1.

## Seeds

* Arantxa Rus (first round)
* Melanie Oudin (semifinals)
* Noppawan Lertcheewakarn (third round)
* Jessica Moore (withdrew)
* Elena Bogdan (quarterfinals)
* Ana Bogdan (first round)
* Kurumi Nara (third round)
* Ksenia Lykina (second round)
* Jessy Rompies (first round)
* Cindy Chala (first round)
* Tamaryn Hendler (quarterfinals)
* Kristina Mladenovic (semifinals)
* Elena Chernyakova (first round)
* Johanna Konta (first round)
* Linda Berlinecke (first round)
* Aki Yamasoto (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| WC | Gail Brodsky | 7 | 6$^8$ | 4 | | | | | | | | |
| 12 | Kristina Mladenovic | 5 | 7$^{10}$ | 6 | | | | | | | | |
| 12 | Kristina Mladenovic | 5 | 7$^{10}$ | 6 | 12 | Kristina Mladenovic | 2 | 6$^5$ | | | | |
| | | | | | WC | CoCo Vandeweghe | 6 | 7$^7$ | | | | |
| WC | CoCo Vandeweghe | 6 | 6 | | WC | CoCo Vandeweghe | 6 | 7$^7$ | | | | |
| 11 | Tamaryn Hendler | 2 | 0 | | | | | | | | | |
| 11 | Tamaryn Hendler | 2 | 0 | | | | | | WC | CoCo Vandeweghe | 7$^7$ | 6 |
| | | | | | | | | | | Gabriela Paz | 6$^3$ | 1 |
| 5 | Elena Bogdan | 3 | 0 | | | | | | | | | | Gabriela Paz | 6$^3$ | 1 |
| | Gabriela Paz | 6 | 6 | | | | | | | | | |
| | Gabriela Paz | 6 | 6 | | | Gabriela Paz | 6 | 6 | | | | |
| | | | | | 2 | Melanie Oudin | 4 | 4 | | | | |
| | Madison Brengle | 6 | 4 | 1 | 2 | Melanie Oudin | 4 | 4 | | | | |
| 2 | Melanie Oudin | 4 | 6 | 6 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Arantxa Rus | 4 | 1 | | | | | | | | | | | | | | | | |
| | Viktoria Kamenskaya | 6 | 6 | | | V Kamenskaya | 6 | 6$^5$ | 3 | | | | | | | | | | |
| WC | Lauren Davis | 3 | 2 | | | A Tomljanović | 2 | 7$^7$ | 6 | | | | | | | | | | |
| | Ajla Tomljanović | 6 | 6 | | | | | | | | A Tomljanović | 1 | 6$^1$ | | | | | | |
| | Nicole Gibbs | 7 | 3 | 2 | | | | | | WC | G Brodsky | 6 | 7$^7$ | | | | | | |
| | Yana Buchina | 5 | 6 | 6 | | Y Buchina | 4 | 0 | | | | | | | | | | | |
| WC | Gail Brodsky | 4 | 6 | 6 | WC | G Brodsky | 6 | 6 | | | | | | | | | | | |
| 15 | Linda Berlinecke | 6 | 4 | 2 | | | | | | | | | | | WC | G Brodsky | 7 | 6$^8$ | 4 |
| 12 | Kristina Mladenovic | 6 | 6 | | | | | | | | | | | | 12 | K Mladenovic | 5 | 7$^{10}$ | 6 |
| Q | Gabriela Dabrowski | 3 | 3 | | 12 | K Mladenovic | 6 | 6$^0$ | 6 | | | | | | | | | | |
| | Isabella Holland | 6 | 6 | | | I Holland | 1 | 7$^7$ | 4 | | | | | | | | | | |
| | Anastasia Grymalska | 4 | 3 | | | | | | | 12 | K Mladenovic | 2 | 6 | 7$^7$ | | | | | |
| | Alexandra Damaschin | 6 | 4 | 6 | | | | | | 7 | K Nara | 6 | 4 | 6$^4$ | | | | | |
| | Réka Luca Jani | 2 | 6 | 2 | | A Damaschin | 2 | 0 | | | | | | | | | | | |
| | Mallory Burdette | 2 | 5 | | 7 | K Nara | 6 | 6 | | | | | | | | | | | |
| 7 | Kurumi Nara | 6 | 7 | | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| LL | Janina Toljan | 1 | 1 | | | | | | | | | | | | | | |
| WC | Sloane Stephens | 6 | 6 | | WC | S Stephens | 3 | 6 | 3 | | | | | | | | |
| Q | Monika Tůmová | 4 | 1 | | | K Piter | 6 | 4 | 6 | | | | | | | | |
| | Katarzyna Piter | 6 | 6 | | | | | | | | K Piter | 6$^5$ | 1 | | | | |
| WC | Kristie Ahn | 6 | 2 | 6 | | | | | | WC | C Vandeweghe | 7$^7$ | 6 | | | | |
| | Milana Špremo | 3 | 6 | 4 | WC | K Ahn | 3 | 4 | | | | | | | | | |
| WC | CoCo Vandeweghe | 7 | 6 | | WC | C Vandeweghe | 6 | 6 | | | | | | | | | |
| 13 | Elena Chernyakova | 5 | 1 | | | | | | | | | | | WC | C Vandeweghe | 6 | 6 |
| 11 | Tamaryn Hendler | 6 | 6 | | | | | | | | | | | 11 | T Hendler | 2 | 0 |
| | Valeria Savinykh | 2 | 2 | | 11 | T Hendler | 6 | 6 | | | | | | | | | |
| Q | Kanyapat Narattana | 6 | 6 | | Q | K Narattana | 4 | 4 | | | | | | | | | |
| | Bianca Swanepoel | 0 | 4 | | | | | | | 11 | T Hendler | 6 | 6 | | | | |
| | Beatrice Gumulya | 6 | 6 | | | | | | | Q | Q Lemoine | 4 | 2 | | | | |
| | Zuzana Luknárová | 2 | 3 | | | B Gumulya | 7 | 6$^4$ | 6$^3$ | | | | | | | | |
| Q | Quirine Lemoine | 7$^7$ | 2 | 6 | Q | Q Lemoine | 5 | 7$^7$ | 7$^7$ | | | | | | | | |
| 6 | Ana Bogdan | 6$^4$ | 6 | 4 | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | Elena Bogdan | 6 | 6 | | | | | | | | | | | | | | |
| | Chanel Simmonds | 1 | 0 | | 5 | E Bogdan | 6 | 5 | 6 | | | | | | | | |
| Q | Beatrice Capra | 3 | 1 | | | S Roma | 4 | 7 | 4 | | | | | | | | |
| | Sandra Roma | 6 | 6 | | | | | | | 5 | E Bogdan | 6 | 6 | | | | |
| | Zsófia Susányi | 7 | 7 | | | | | | | | M Sirotkina | 4 | 3 | | | | |
| LL | Alexa Guarachi | 5 | 5 | | | Z Susányi | 3 | 1 | | | | | | | | | |
| | Marta Sirotkina | 7$^7$ | 6 | | | M Sirotkina | 6 | 6 | | | | | | | | | |
| 9 | Jessy Rompies | 6$^5$ | 2 | | | | | | | | | | | 5 | E Bogdan | 3 | 0 |
| 16 | Aki Yamasoto | 6 | 6$^6$ | 2 | | | | | | | | | | | G Paz | 6 | 6 |
| | Verónica Cepede Royg | 2 | 7$^8$ | 6 | | V Cepede Royg | 2 | 5 | | | | | | | | | |
| | Rebecca Marino | 4 | 6$^7$ | | | G Paz | 6 | 7 | | | | | | | | | |
| | Gabriela Paz | 6 | 7$^9$ | | | | | | | | G Paz | 6 | 6 | | | | |
| Q | Heather Watson | 6 | 6 | | | | | | | 3 | N Lertcheewakarn | 3 | 4 | | | | |
| Q | Lauren McHale | 3 | 4 | | Q | H Watson | 4 | 4 | | | | | | | | | |
| | Zarina Diyas | 6$^7$ | 0 | | 3 | N Lertcheewakarn | 6 | 6 | | | | | | | | | |
| 3 | Noppawan Lertcheewakarn | 7$^9$ | 6 | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 8 | Ksenia Lykina | 6 | 6 | | | | | | | | | | | | | | |
| Q | Bistra Otashliyska | 1 | 2 | | 8 | K Lykina | 5 | 1 | | | | | | | | | |
| | Misaki Doi | 3 | 4 | | WC | C McHale | 7 | 6 | | | | | | | | | |
| WC | Christina McHale | 6 | 6 | | | | | | WC | C McHale | 4 | 0 | | | | | |
| | Silvia Njirić | 6 | 7 | | | | | | | M Brengle | 6 | 6 | | | | | |
| | Sandra Zaniewska | 1 | 5 | | | S Njirić | 6$^1$ | 3 | | | | | | | | | |
| | Madison Brengle | 6 | 6 | | | M Brengle | 7$^7$ | 6 | | | | | | | | | |
| 10 | Cindy Chala | 2 | 2 | | | | | | | | | | | M Brengle | 6 | 4 | 1 |
| 14 | Johanna Konta | 3 | 1 | | | | | | | | | | 2 | M Oudin | 4 | 6 | 6 |
| WC | Asia Muhammad | 6 | 6 | | WC | A Muhammad | 6 | 6 | | | | | | | | | |
| | Romana Tabak | 6 | 6 | | | R Tabak | 3 | 4 | | | | | | | | | |
| | Richèl Hogenkamp | 4 | 1 | | | | | | WC | A Muhammad | 1 | 1 | | | | | |
| | Nastassja Burnett | 6 | 4 | 6 | | | | | 2 | M Oudin | 6 | 6 | | | | | |
| WC | Julia Boserup | 3 | 6 | 4 | | N Burnett | 4 | 1 | | | | | | | | | |
| | Tímea Babos | 2 | 2 | | 2 | M Oudin | 6 | 6 | | | | | | | | | |
| 2 | Melanie Oudin | 6 | 6 | | | | | | | | | | | | | | |