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 |  |  | | Mario Ecung |  | | Residence: | Los Angeles, CA |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
34th San Diego Junior Singles, January 3, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Conner Schiller | | 6-3; 6-3 | | 16 | Loss | Tom Young | | 6-0; 2-6; 7-5 | | 2 | Win | Waylon Mobley | 146 | 2-6; 7-5; 6-4 | | QQ | Loss | Alex Placek | | 7-5; 6-2 |
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60th Annual Fullerton Jr Tournament, January 31, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Marc Vartabedian | | 6-3; 6-2 | | 128 | Loss | Gregory Hirshman | 18 | 6-0; 6-3 |
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23rd Annual So. Bay "Woody Hunt Memorial, February 28, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Ryan Thacher | 108 | 6-2; 6-2 | | 1 | Loss | Luis Arboleda | | 7-5; 6-2 |
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19Th Anaheim Hills Open Jr Tournament -, April 17, 2004
 20th Los Caballeros Junior Tournament, September 11, 2004
 41st NORTHRIDGE-MATADOR JR TOURNAMENT -, September 25, 2004
 19th J.P. YAMASAKI MEMORIAL JR TOURNAMEN, October 30, 2004
 * The ranking calculation does not count this match.
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