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 |  |  | Garrett Duncan |  | Residence: | Cockeysville, MD |
Birthplace: | Unknown | Age: | Unknown | Height: | Unknown | Plays: | Unknown | Coaching: | Unknown |  | Complete Bio | |
USTA MAS B16 Challenger #1, March 6, 2010
 Maryland State Indoor B16, May 14, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 32 | Loss | Kevin Chen | 1997 | 6-4; 7-6(5) |
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Georgetown Prep Jr. Open L3, June 4, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 32 | Loss | Ji Hoon Kim | 1677 | 2-6; 7-6; 10-1 |
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Suburban Jr. Summer Clay L5, July 5, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | Q | Loss | Cole Sutton | 1761 | 6-3; 7-6(4) |
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USTA MAS B16 Challenger #4 L2, July 10, 2010
 The Columbia Jr. Open L3, July 19, 2010
 Annapolis Jr. Open L3, July 24, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 32 | Loss | Gabriel Fan | 1399 | 6-0; 6-3 |
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Maryland Jr. Outdoor Chmps., July 31, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 64 | Win | Tyler Chang | + | 6-3; 6-1 | 32 | Loss | Ned Mandel | | 6-0; 6-1 | 3Q | Loss | John Blue | | 6-1; 6-0 |
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MD State Jr. Clay Chmps. L4, August 18, 2010
 McDonough Jr. Open L3, September 25, 2010
 Green Spring Halloween Open, October 29, 2010
 Nasdaq at Twin Lakes Jr. L5 #29, November 12, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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