Round of 64 06/24/2009 | Round of 32 06/25/2009 | Round of 16 06/25/2009 | Quarterfinal 06/26/2009 | Semifinal 06/26/2009 | Final 06/27/2009 | Winner | |  |  | | 1 | Stephanie Kono, Honolulu, Hawaii | 138 | | | 64 | Emily Powers, Quincy, Ill. | 152 |  | |
| | | | | | | |  |  | | 32 | Caroline Powers, Bowling Green, Ohio | 148 | | | 33 | Tiffany Lua, Rowland Heights, Calif. | 148 |  | |
| |  |  | | 16 | Kristen Hill, Weston, Fla. | 143 | | | 49 | Nikki Koller, Lewisburg, Ky. | 149 |  | |
| | |  |  | | 17 | Sara Grantham, Wilsonville, Ala. | 143 | | | 48 | Jisoo Park, Korea | 149 |  | |
| |  |  | | 8 | Lizette Salas, Azusa, Calif. | 142 | | | 57 | Kristina Nhim, Buena Park, Calif. | 151 |  | |
| | | |  |  | | 25 | Kayla Mortellaro, Phoenix, Ariz. | 147 | | | 40 | Stefanie Kenoyer, Lighthouse Point, Fla. | 148 |  | |
| |  |  | | 9 | Cydney Clanton, Concord, N.C. | 142 | | | 56 | Miki Ueoka, Lihue, Hawaii | 150 |  | |
| | |  |  | | 24 | Simone Hoey, Rancho Cucamonga, Calif. | 146 | | | 41 | Candace Schepperle, Birmingham, Ala. | 148 |  | |
| |  |  | | 4 | Brittany Altomare, Shrewsbury, Mass. | 141 | | | 61 | Pennapa Pulsawath, Thailand | 152 |  | |
| | | | |  |  | | 29 | Ellen Mueller, Bartlesville, Okla. | 148 | | | 36 | Ashley Medders, Alma, Ga. | 148 |  | |
| |  |  | | 13 | Jennifer Song, La Canada, Calif. | 143 | | | 52 | Junthima Gulyanamitta, West Lafayette, Ind. | 150 |  | |
| | |  |  | | 20 | Kristina Merkle, Honolulu, Hawaii | 145 | | | 45 | Alexandra Stewart, Peoria, Ariz. | 149 |  | |
| |  |  | | 5 | Alice Kim, Walnut, Calif. | 141 | | | 60 | Gennifer Mendez, North Port, Fla. | 152 |  | |
| | | |  |  | | 28 | Seo Hee Moon, Mukilteo, Wash. | 147 | | | 37 | Victoria Park, Korea | 148 |  | |
| |  |  | | 12 | Glory Jooyoung Yang, Korea | 143 | | | 53 | Sarah Brown, Lopatcong Township, N.J. | 150 |  | |
| | |  |  | | 21 | Casie Cathrea, Livermore, Calif. | 145 | | | 44 | Kamryn Ruffin, Pryor, Okla. | 149 |  | |
| |  |  | | 2 | Annie Park, Levittown, N.Y. | 139 | | | 63 | Kristen Schelling, Mesa, Ariz. | 152 |  | |
| | | | | |  |  | | 31 | Kate Ackerson, Allen, Texas | 148 | | | 34 | Mary Mattson, Ijamsville, Md. | 148 |  | |
| |  |  | | 15 | Karen Chung, Livingston, N.J. | 143 | | | 50 | Sun Gyoung Park, Vail, Ariz. | 149 |  | |
| | |  |  | | 18 | Martina Gavier, Argentina | 144 | | | 47 | Jennifer Hahn, Henderson, Nev. | 149 |  | |
| |  |  | | 7 | Caroline Kim, Canada | 141 | | | 58 | Courtney Gunter, Matthews, N.C. | 151 |  | |
| | | |  |  | | 26 | Kimberly Kim, Hilo, Hawaii | 147 | | | 39 | Mallory Fraiche, Metairie, La. | 148 |  | |
| |  |  | | 10 | Sara-Maude Juneau, Canada | 142 | | | 55 | Carly Werwie, Kenosha, Wis. | 150 |  | |
| | |  |  | | 23 | Briana Mao, Folsom, Calif. | 146 | | | 42 | Taylor Barrett, York, S.C. | 148 |  | |
| |  |  | | 3 | Whitney Neuhauser, Charlottesville, Va. | 140 | | | 62 | Paula Reto, South Africa | 152 |  | |
| | | | |  |  | | 30 | Kim Kaufman, Clark, S.D. | 148 | | | 35 | Angela Villela, Pacoima, Calif. | 148 |  | |
| |  |  | | 14 | Sydnee Michaels, Temecula, Calif. | 143 | | | 51 | Madison Pressel, Boca Raton, Fla. | 150 |  | |
| | |  |  | | 19 | Mari Chun, Pearl City, Hawaii | 145 | | | 46 | Katie Burnett, Brunswick, Ga. | 149 |  | |
| |  |  | | 6 | Joanna Coe, Mays Landing, N.J. | 141 | | | 59 | Mary Carmody, Cortland, N.Y. | 152 |  | |
| | | |  |  | | 27 | Becca Huffer, Denver, Colo. | 147 | | | 38 | Yueer Cindy Feng, Orlando, Fla. | 148 |  | |
| |  |  | | 11 | Leanne Bowditch, Australia | 142 | | | 54 | Sarah Whitney, Hingham, Mass. | 150 |  | |
| | |  |  | | 22 | Aimee Neff, Carmel, Ind. | 146 | | | 43 | Cassie Boles, Lakeland, Fla. | 149 |  | |
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