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 |  |  | | Matthew Siow (USA) |  | | Residence: | Anaheim, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Lkwd Winter Jr. Open Tournament Jan 04, January 10, 2004
 53rd Gene Jung Whittier Mid-Winter, January 17, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Gregory Punsalan | | 6-2; 6-3 | | 16 | Win | Nicolas Meister | + | 6-4; 6-1 | | Q | Loss | Andre Dome | 21 | 6-3; 6-1 | | CQ | Loss | Michael Lin | 34 | * |
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60th Annual Fullerton Jr Tournament, January 31, 2004
 23rd Annual So. Bay "Woody Hunt Memorial, February 28, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Steven Henderson | + | 6-1; 6-3 | | 16 | Win | Michael Lin | 34 | 6-3; 6-2 | | Q | Loss | Tyler Bowman | | 6-4; 6-2 | | CQ | Loss | Raymond Sarmiento | 35 | 6-1; 6-3 |
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19Th Anaheim Hills Open Jr Tournament -, April 17, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Troy Chin | | DN* |
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20Th Anaheim Tennis Center Jr Tournament, May 1, 2004
 USTA National Opens - San Diego, CA, May 22, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Bryan Miller | + | 6-3; 6-1 | | 32 | Win | David Clark | + | 6-4; 6-0 | | 16 | Win | Aba Omodele-Lucien | + | 2-6; 6-3; 6-3 | | Q | Loss | Daniel Moss | | 6-1; 6-3 | | CQ | Loss | Daniel Nguyen | 11 | 6-4; 6-2 |
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Quiksilver Junior Open Championships - N, May 29, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Will Oliver | 172 | 6-1; 6-1 | | 64 | Win | Sasha Hedberg | + | 6-3; 6-1 | | 32 | Loss | John Sundling | 22 | 6-1; 2-6; 6-3 |
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102nd Southern California Jr Sectionals, June 25, 2004
 28th CERRITOS SUMMER JR TOURNAMENT - Lak, August 14, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Alexander Holt | | 6-3; 6-0 | | 32 | Loss | Andrew Giuffrida | | 4-6; 7-5; 6-2 |
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Garrison Sports Group Open - Glendale, A, October 9, 2004
 19th J.P. YAMASAKI MEMORIAL JR TOURNAMEN, October 30, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | David Sim | | 6-2; 6-2 | | 128 | Win | Alexander Cannon | | 6-2; 6-2 | | 64 | Win | Andrew Ong | + | 7-6; 6-2 | | 32 | Win | Daniel Nguyen | 11 | 6-4; 3-6; 6-3 | | 16 | Loss | Ryan Thacher | | 6-4; 6-2 |
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USTA National Opens - Costa Mesa, CA, November 25, 2004
 California Bowl, December 18, 2004
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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