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 |  |  | | Stefan Young |  | | Residence: | Vienna, VA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS Chal. B12 #5, May 2, 2009
 Burke Open #1 L5, May 8, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Lucas Rovani | 550 | 4-6; 6-3; 10-3 |
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Mall Annual Jr. Tourn., May 23, 2009
 Georgetown Prep BG18-12 Open L3, May 29, 2009
 Christopher Newport Univ. Sat. L4, June 19, 2009
 VBTPA Satellite VBTCC #3 L3, June 26, 2009
 District of Columbia Jr. Open L3, July 9, 2009
 The Columbia Jr. Open L3, July 13, 2009
 Annapolis Jr. Open L3, July 25, 2009
 25th Eastern Panhandle Open, July 30, 2009
 3rd Metro Area Jr. Open L3, August 7, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Nicholas Solhjou | | 3-6; 7-6(5); 10-2 | | S | Win | Parker Wilson | | 6-2; 6-2 | | F | Win | Jacob Walker | 598 | 6-7(3); 6-3; 6-3 | | CQ | Loss | Zachary Cooper | | 10-5 |
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USTA MAS B12 Challenger #7 L2, September 12, 2009
 USTA MAS Championship #4 L1, October 3, 2009
 West Winds Indoor Sat. #10 L4, November 6, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Colin Mattingly | + | 6-3; 6-1 | | 16 | Loss | Chase Weinberg | | 6-4; 6-0 |
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PAJTL Thanksgiving Classic -L3, November 27, 2009
 USTA MAS B12 Chmp. #1, January 23, 2010
 USTA MAS B12 Championship #2 L1, March 20, 2010
 West Winds Jr. Indoor Sat. #15 L5, April 9, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Daniel Chen | | 6-2; 6-1 |
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USTA MAS B12 Challenger #2, April 17, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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