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 |  |  | | Nikko Madregallejo |  | | Residence: | Monrovia, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Casely February Jr. Super Series, February 12, 2011
 USTA National Open, February 26, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Roy Lederman | 6 | 1-6; 6-4; 6-2 | | 1 | Win | Alex Sidney | + | 6-1; 6-1 | | 2 | Win | Joshua Dancu | + | 6-1; 6-0 | | QQ | Win | Dominic Cotrone | + | 6-0; 6-3 | | CQ | Win | Anthony Delcore | + | 6-2; 3-6(5) | | CS | Loss | Gordon Watson | | 6-4; 6-4 |
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Young Guns Super Series, March 19, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Evgeny Tikhonov | | 6-0; 6-1 | | 16 | Win | Jose Fortunato | | 6-2; 6-0 | | Q | Loss | Hunter Harrington | | 6-2; 6-1 |
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USTA International Spring Chmps., April 2, 2011
 USTA BG16-14 National Spring Chmps., April 10, 2011
 Plantation ITF, May 9, 2011
 Delray Beach ITF, May 16, 2011
 US BG18 Int'l Grass Court Chmps., June 6, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Nicholas Naumann | | 2-6; 6-3; 6-3 |
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USTA Regional Tourn. (Ft. Myers), July 9, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Harrison Heysek | | 6-0; 6-0 | | 32 | Win | Nate Shanok | | 6-1; 6-3 | | 16 | Win | Thomas Pura | + | 4-6; 6-1; 6-4 | | Q | Loss | Spencer Papa | 7 | 6-0; 6-2 | | CQ | Loss | Danny Mack | | Def (ns)DP |
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USTA National BG18-16 Chmps., August 5, 2011
 U.S. Open Jr. Tennis Chmps., September 2, 2011
 Pan American ITF Championships, October 10, 2011
 XXV Yucatan Cup, November 21, 2011
 Orange Bowl Int'l Tennis Chmps., December 5, 2011
 Abierto Mexicano Juvenil, December 26, 2011
 + Strong win over an ineligible player.
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