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 |  |  | | Nikko Madregallejo |  | | Residence: | Duarte, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA National Opens, November 27, 2008
 USTA National Winter Chmps., December 27, 2008
 64th Fullerton Jr. Tourn., January 31, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Henry Craig | | 6-3; 6-1 | | Q | Win | Jeffrey Bu | | 7-6; 6-1 | | S | Win | Drew Dawson | 11 | 6-4; 4-6; 6-2 | | F | Win | Gregory Garcia | 17 | 6-2; 6-2 |
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USTA National Opens, February 14, 2009
 28th Woody Hunt Mem. South Bay Tourn., February 28, 2009
 53rd Long Beach Jr. Tourn., March 14, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Jameson West | | Wd (inj)WJ* | | 128 | Win | Sean Robles | | 6-0; 6-3 | | 64 | Loss | Kona Luu | | 4-6; 7-5; 6-3 |
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USTA International Spring Chmps., April 6, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Horea Porutiu | + | 7-5; 6-3 | | 32 | Win | Jose Martinez | + | 7-5; 6-4 | | 16 | Loss | Bjorn Fratangelo | | 7-6(0); 6-1 |
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The Easter Bowl Spring Nat'l, April 12, 2009
 107th SoCal Sectional Chmps., June 20, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Anthony Nguyen | | 6-3; 6-2 | | 128 | Win | Justin Lin | 777 | 6-2; 6-0 | | 64 | Win | Derek Klein | | 7-5; 4-6; 6-1 | | 32 | Win | Travis Tu | + | 7-6; 6-1 | | 16 | Win | Alex Scheinman | + | 6-2; 6-2 | | Q | Win | Seth Stolar | + | 7-5; 3-6; 6-1 | | S | Loss | Daniel Faierman | | Wo (ill)WoI* | | PL | Loss | Ace Matias | | Wo (ill)WoI* |
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USTA B14 National Clay Court Chmps., July 19, 2009
 Miami Crandon Park Fall Super Series, October 10, 2009
 El Paso Youth Tennis Centre ITF Tourname, October 19, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Josh Hagar | + | 3-6; 6-4; 6-1 | | 32 | Win | Eduardo Martinez | + | 0-6; 7-5; 6-0 | | 16 | Loss | Justin To | | 6-4; 6-1 |
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Evert American ITF Junior Circuit, November 9, 2009
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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