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 |  |  | | Denis Nguyen |  | | Residence: | Anaheim, CA |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA National Opens, November 27, 2008
 45th Anaheim Jr. Tourn., December 6, 2008
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Stefan Risager | 551 | 6-2; 6-4 | | 32 | Win | Albert Rodriguez | | 6-0; 6-0 | | 16 | Win | Alex Baettig | 767 | 6-4; 6-0 | | Q | Win | Maximilien Ando Hirsh | | Wo (admin)WoJ* | | S | Win | Sean Levesque | | 6-4; 6-2 | | F | Win | Kaiser Cesar De Leon | | 6-1; 6-3 |
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USTA National Winter Chmps., December 27, 2008
 58th Gene Jung Whittier Midwinter, January 17, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Matthew Yamamoto | | 6-0; 6-0 | | 128 | Win | Kyle Rapp | | 6-0; 6-1 | | 64 | Win | Sean Levesque | | 6-1; 6-1 | | 32 | Win | Justin Atlan | | 6-2; 6-1 | | 16 | Win | Daniel Kosakowski | | Def (ns)DP* | | Q | Win | Alex Yermanos | + | 6-4; 6-2 | | S | Loss | Levin Guillermo | | 1-6; 6-3(6-3) |
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USTA National Opens, February 14, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Ethan Kallick | | 7-5; 6-2 | | 32 | Win | Brian Fang | + | 6-3; 7-6(5); 6-2 | | 16 | Win | Michael Hui | | 7-6(0); 6-0 | | Q | Loss | Clay Thompson | | 6-4; 3-0Ret (inj)RJ | | CQ | Loss | Jeffrey Mullen | | Wo (inj)WoJ* |
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53rd Long Beach Jr. Tourn., March 14, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | David Doehring | 119 | 6-1; 6-1 | | Q | Loss | Levin Guillermo | | 6-3; 7-5 |
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USTA International Spring Chmps., April 6, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Florante Sarmiento | | 2-6; 6-2; 6-3 |
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109th Ojai Valley Tourn., April 23, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Andre Halabi | | 6-0; 6-1 | | 32 | Win | Gannon Daynes | 269 | 6-3; 6-1 | | 16 | Win | Julian Arnold | | 7-5; 6-4 | | Q | Win | Thomas Pham | + | 6-3; 7-5 | | S | Loss | Clay Thompson | | 3-6; 6-4; 6-2 |
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25th Anaheim TC Tourn., May 2, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Chase Melton | | 6-4; 7-5 | | Q | Loss | Campbell Johnson | | 4-6; 6-6Ret (inj)RJ |
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Boys CIF SoCal Indiv. Chmp., May 29, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Christopher Freeman | | 2-6; 6-4; 6-3 |
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107th SoCal Sectional Chmps., June 20, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Derick Tom | 1172 | 6-1; 6-1 | | 128 | Win | Christopher Samuelson | | 6-2; 6-1 | | 64 | Win | Attila Lassu | | 6-2; 6-2 | | 32 | Win | Ken Mkrtchian | + | 6-3; 6-3 | | 16 | Win | Mousheg Hovhannisyan | + | 6-3; 4-6; 6-2 | | Q | Loss | Denis Lin | | 6-2; 6-4 | | S | Win | Warren Hardie | + | 6-4; 6-2 | | F | Loss | Campbell Johnson | | 6-4; 6-2 |
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USTA National Opens, July 4, 2009
 25th Los Caballeros Jr., September 12, 2009
 The Orange County Jr. Open, October 24, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Jharen Gines | | 6-1; 6-0 | | 64 | Win | Syogo Shimizu | | 6-1; 6-1 | | 32 | Win | Sean Levesque | | 6-3; 6-0 | | 16 | Loss | Jonathan Huang | 63 | 5-7; 7-6Ret (inj)RJ |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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