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 |  |  | | Grace Koester |  | | Residence: | Paradise Vly, AZ |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA Regional Tourn. (Palm Desert), October 29, 2011
 El Conquistador Jr. Open, November 12, 2011
 Scottsdale Sweet 16 L5, December 10, 2011
 USTA BG14-12 National Winter Chmps., December 27, 2011
 Valley of the Sun Closed, January 14, 2012
 USTA Regional Tourn. (Tucson), January 21, 2012
 Scottsdale AC Jr. Open L6, January 27, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Lauren Stein | 437 | 6-1; 6-0 | | Q | Win | Kaitlyn Dotson | | 6-1; 6-1 | | S | Win | Sarah Adewumi | | 6-1; 6-0 | | F | Win | Madison Moore | | 6-4; 6-1 |
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Phoenix Jr. Chmps., February 11, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Caitlin Jones | | 6-0; 6-2 | | 16 | Loss | Shailla Alda | 39 | 6-4; 6-4 | | 2 | Win | Megan Lynch | | 6-2; 6-0 | | CQ | Win | Lena Sweiss | 235 | 6-0; 6-1 | | CS | Loss | Zoey Nelson | 204 | Wo (emerg)WoJ* |
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USTA National Open, February 25, 2012
 Gootter Cactus Cup BG14-10, March 17, 2012
 New Mexico Jr. Chmps. L4, March 31, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Ivana Corley | 90 | 6-3; 2-6; 7-5 | | 1 | Win | Karina Scheller | | 6-0; 6-0 | | 2 | Win | Caitlin Jones | | 6-0; 6-1 | | CQ | Win | Abigail Nielsen | | 6-0; 6-0 | | CS | Win | Rebecca Salaway | | 6-3; 6-3 | | CF | Win | Tasha Christ | | 6-0; 6-1 |
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USTA BG12 National Spring Chmps., April 8, 2012
 Arizona Jr. Closed Chmps. BG14-8, May 26, 2012
 USTA Southwest Jr. Closed, June 9, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Rebecca Salaway | | 6-3; 6-4 | | 16 | Loss | Anastasiya Joyner | | 6-1; 6-2 | | 2 | Win | Jillian Rasmussen | | 6-1; 6-0 | | QQ | Win | Hannah Contrucci | | 6-2; 6-0 | | CQ | Loss | Taylor Bridges | | 6-1; 6-1 |
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USTA Zonal BG12 - Tucson, July 25, 2012
 New Mexico Lobo Cup L5, September 15, 2012
 Dan Konchan Mem. Scholarship Open, October 13, 2012
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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