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 |  |  | | Isabella Demontesquiou |  | | Residence: | Encino, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
46th Northridge-Matador Tourn., September 26, 2009
 Dunlop Jr. Chmps., October 10, 2009
 The Orange County Jr. Open, October 24, 2009
 California Bowl, December 19, 2009
 USTA National Winter Chmps., December 27, 2009
 Copper Bowl, January 2, 2010
 59th Gene Jung Whittier Midwinter, January 16, 2010
 65th Fullerton Jr. Tourn., January 30, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Joy Kim | | 6-0; 6-1 |
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USTA National Open, February 13, 2010
 29th Woody Hunt Mem. South Bay Tourn., February 27, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Sarah Nuno | 51 | Wd (ill)WI* |
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USTA National Opens, May 22, 2010
 108th So. CA Sectional Chmps., June 19, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Nicole Kwok | 502 | 6-2; 6-4 |
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6Th OCCTA Jr. Open Chmps., June 28, 2010
 16th South End Open, July 5, 2010
 14th Jack Kramer Jr. Tourn., July 12, 2010
 Zone Team BG12 - Tucson, July 28, 2010
 28th Northridge Jr. Tourn., August 2, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Sharone Yiffi | | 4-6; 6-0; 10-6 | | 16 | Loss | Madison Ross | | Wo (inj)WoJ* |
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Match Tough TA Jr. Classic, August 16, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Jessamyn Zand | | 6-4; 6-2 | | Q | Win | Jessica Folsom | | 6-0; 6-1 | | S | Loss | Risa Nakagawa | | 6-2Ret (inj)RJ |
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* The ranking calculation does not count this match.
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