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 |  |  | | Kelly Costello |  | | Residence: | Honolulu, HI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Hilo Winter BG18-10, January 8, 2010
 DT Wailuku Winter Jr. Sectionals, January 16, 2010
 Hale Koa Jr. Open Singles, January 23, 2010
 Pearl Harbor Winter Jr. Tourn., January 30, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Zoe Leaman | | 6-2; 6-2 | | Q | Loss | Cori Cummings | | 6-3; 6-2 |
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DT Holua Jr. Open, February 5, 2010
 Pearl Harbor Winter Jr., February 20, 2010
 HPTF February Jr., February 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Taylor Lau | 234 | 6-3; 6-4 | | S | Win | Kelly Pang | | 3-6; 7-6(3); 6-1 | | F | Loss | Ashley Ishimura | 35 | 6-2; 6-4 | | F | Win | Niki Tamashiro | | 3-6; 6-1; 6-4 |
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Pearl Harbor Spring Jr., March 6, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Kylie Kam | | 6-2; 6-4 | | Q | Loss | Nanea Perkins | 583 | Wd (emerg)WI* | | Q | Win | Kara Okazaki | | 7-6(1)); 4-6; 10-5 | | S | Loss | Ashley Ishimura | 35 | 6-1; 6-4 |
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DT USTA Spring Jr. Section Chmps., March 18, 2010
 USTA BG12 National Spring Chmps., April 11, 2010
 DT Pearl Harbor Easter Jr. Chmps., April 23, 2010
 Pearl Harbor Jr. Open-Int. Tourn., May 8, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Nanea Perkins | 583 | 6-1; 6-1 | | S | Loss | Niki Tamashiro | | 6-3; 6-2 |
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West Hawaii District Chmps., May 29, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Rebecca Yim | | 3-6; 6-4; 1-0 | | Q | Loss | Cori Cummings | | 6-4; 6-2 | | CQ | Win | Paige Pasion | | 6-0; 6-1 | | CS | Loss | Skyla Alcon | | 6-3; 6-3 |
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Hale Koa Jr. Open Singles, June 5, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Jade Woo | | 6-2; 6-1 | | S | Win | Taylor Lau | 234 | 4-6; 6-3; 7-6(4) | | F | Win | Kylie Kam | | 6-2; 4-6; 6-1 |
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DT USTA Nike Summer Section Chmps., June 10, 2010
 Pearl Harbor Summer Open, June 19, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Jade Woo | | 6-1; 6-1 | | S | Win | Taylor Lau | 234 | 6-2; 6-3 | | F | Loss | Skyla Alcon | | 6-1; 6-2 |
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Pearl Harbor Summer Jr. Open, July 10, 2010
 Zone Team BG12 - Tucson, July 28, 2010
 Pearl Harbor Summer Open, August 7, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Lauren Au | | 6-1; 6-3 | | F | Win | Nanea Perkins | | 6-3; 6-1 |
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DT Hawaii State Jr. Chmps., August 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Hailey Motooka | | 6-0; 6-3 | | Q | Win | Niki Tamashiro | | 6-2; 6-1 | | S | Loss | Skyla Alcon | | 6-4; 6-4 | | PL | Win | Kylie Kam | | 6-2; 6-4 |
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Pearl Harbor Summer Open, August 28, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Kasey Tamamoto | | 6-3; 6-1 | | S | Win | Nanea Perkins | 583 | 6-1; 6-0 | | F | Loss | Skyla Alcon | | 6-2; 6-3 |
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Hilo Fall Jr. Sectional Chmps., September 3, 2010
 Pearl Harbor Jr. Open, September 11, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Loss | Nanea Perkins | | 6-4; 1-6; 10-3 |
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Mike Agassi No Quit Chmps., September 18, 2010
 Kauai Fall Jr. Open, September 25, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Skyla Alcon | | 6-2; 6-1 |
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Dunlop Jr. Chmps., October 9, 2010
 North Hawaii TA Jr. Chmps., October 22, 2010
 2010 Halloween Benefit Tourn., October 30, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Kasey Tamamoto | | 6-4; 7-5 |
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Pearl Harbor Jr. Open-Int.-Nov., November 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Kasey Tamamoto | | 6-3; 6-2 | | S | Loss | Taylor Lau | 234 | 7-5; 6-3 |
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Tourn. of Jr. Champions, November 19, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Kylie Kam | | 6-4; 6-3 | | F | Win | Katie Lai | | 6-4; 6-2 | | RR | Loss | Katie Lai | | 6-1; 6-0 | | RR | Loss | Lani Green | | 6-3; 6-4 | | RR | Loss | Skyla Alcon | | 6-1; 6-4 |
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USTA Winter National Chmps., December 27, 2010
 * The ranking calculation does not count this match.
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