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 |  |  | | Sean Ngo |  | | Residence: | Silver Spring, MD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Raintree Tr. Ctr. Classic L3, March 31, 2012
 Skyline S&H Winter Series #5, April 6, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Diego Noriega | | 6-0; 6-0 | | F | Win | James Howanitz | | 6-1; 6-7(6); 6-3 |
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USTA MAS B16 Challenger #2, April 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Harry Hoven | 795 | 2-6; 6-1; 6-4 |
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USTA MAS BG18 Challenger #2, April 28, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Tyler Chang | | 7-6(4); 6-1 | | 32 | Loss | Brett Moorhead | | 6-2; 6-4 |
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USTA MAS B16 Challenger #3, May 5, 2012
 USTA MAS BG16 Int. Qual. PO, May 19, 2012
 USTA MAS B18 Challenger #3, May 19, 2012
 Georgetown Prep Jr. Open L3, June 2, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Nicholas Zhu | 1614 | 1-6; 6-3; 10-4 |
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USTA MAS Championship #3, June 19, 2012
 USTA Regional Tourn. (Elm Grove), July 7, 2012
 Annapolis Jr. Open L3, August 4, 2012
 Wildcard Qual. -- Prince George's Co. IT, August 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Jason Kros | 262 | 6-3; 7-5 | | 16 | Loss | Mateo Cevallos | | 6-4; 6-3 |
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Nova Jr. Chmps. L3, August 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | James Howanitz | | 6-1; 6-1 | | S | Win | Alexander Cragg | | 6-3; 6-3 | | F | Win | Michael Ruamthong | 528 | 6-4; 4-6; 10-8 |
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USTA MAS BG18 Challenger #6 L2, September 8, 2012
 USTA MAS B16 Championship #4, October 13, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Andrew Curtis | | 6-1; 3-6; 6-3 | | 1 | Loss | Fred Mesmer | 360 | 6-4; 6-0 |
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USTA MAS B18 Challenger #7, November 10, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Austin Peterson | | 6-4; 6-2 | | 32 | Loss | Jake Gober | 215 | 6-1; 6-2 |
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Ken Guendel Mem. Holiday Classic L3, December 26, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Rupin Bhalla | | 6-2; 6-4 | | 16 | Win | Mark Mao | | 6-1; 6-1 | | Q | Loss | Darian Hashemzadeh | | 6-2; 6-2 |
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USTA MAS B18 Championship #1, January 5, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Biyik Akinsemoyin | | 6-4; 6-3 | | 1 | Loss | Garrett Weinstein | 291 | 6-2; 7-5 |
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USTA MAS B18 Challenger #1, February 16, 2013
 USTA MAS B18 Chmp. #2, March 2, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Jake Gober | | 6-2; 6-0 | | 1 | Win | Joshua Leiner | + | 7-6(3); 6-3 | | 2 | Loss | Andrew Harrington | | 6-2; 6-1 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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