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 |  |  | | Matthew Alderson |  | | Residence: | Bainbridge Island, WA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
B18-10 Dual L5, September 4, 2009
 Bally Tennis Fall Chmps., September 11, 2009
 Bally Fall Jr. Champs, October 9, 2009
 Bally Thanksgiving Chmps., November 27, 2009
 Bally Olympia Chmps. #3, December 4, 2009
 THPRD BG18-10 Dual L5, January 15, 2010
 Bally President's Day Jr. Champs, February 12, 2010
 Olympia BG14 Endorsement, February 27, 2010
 Kitsap County Jr. Champs, March 12, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Drew Dawson | | 6-3; 6-3 | | 16 | Loss | Thomas Lowes | | 6-3; 6-1 | | 16 | Win | Alex Chan | 1742 | 6-1; 6-0 | | Q | Loss | Jack Melhorn | 1135 | 3-0Ret (ill)RI |
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Yakima Jr. Champs Boys' Dual L5, March 26, 2010
 Bally Olympia Champs #1, April 2, 2010
 Seattle City Jr. Chmps., April 8, 2010
 Mercer Island Boys' Dual, April 23, 2010
 B18-10 Dual L5, May 7, 2010
 Aces Tennis Jr. Chmps., May 14, 2010
 B14 Endorsement, June 5, 2010
 Silver Lake Jr. Chmps., August 5, 2010
 31st Amy Yee Jr. Chmps., August 8, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Ryan Cheung | 817 | 6-2; 6-1 | | 16 | Loss | Alexander Noyes | | 1-6; 6-4; 10-8 |
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Tacoma Lawn TC BG18-10 Dual 5, August 12, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Brandon Bulaclac | | 6-3; 6-0 | | 32 | Loss | Alexander Noyes | | 6-3; 6-1 |
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PNW Championship Sectional Tourn., August 19, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Alexander Marcinkowski | | 6-0; 6-3 | | 3 | Win | Mark Schoener Scott | | 6-2; 6-1 | | 4 | Win | Travis Zuroske | | 6-4; 6-0 | | CQ | Win | Trevor Jones | | 4-6; 6-0; 10-3 | | CS | Win | Connor Leahy | + | 0-6; 6-1; 11-9 | | CF | Loss | Peter Beatty | | 6-3; 6-2 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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