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 |  |  | | Matthew Alderson |  | | Residence: | Bainbridge Island, WA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Lewis And Clark B18 Endorsement, June 9, 2012
 Washington State Jr. Champs, July 13, 2012
 Kitsap County Summer Champs, July 20, 2012
 USTA B18 National Team Chmps, July 28, 2012
 33rd Amy Yee Jr. Chmps., August 5, 2012
 Jr. Championship Sectionals, August 16, 2012
 Spokane Club Champ/Challenger, September 7, 2012
 B18 Endorsement, November 3, 2012
 Eastside TC November Champs, November 23, 2012
 Sunset AC Winter Champs, December 21, 2012
 Olympia New Year Champs, January 11, 2013
 SJRC/Past&E B18 Endorsement, February 9, 2013
 CGM Boy's Champs, March 15, 2013
 Capitol City Tennis Champs #1, March 29, 2013
 Seattle City Jr. Chmps., April 4, 2013
 YTC Boy's Dual 5, April 19, 2013
 * The ranking calculation does not count this match.
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