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 |  |  | | Coste Duvall |  | | Residence: | Conway, SC |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Prestwick Jr. Cup, November 4, 2011
 SC State Open Chmps., January 13, 2012
 St. Andrew's Point Quest Tourn., January 20, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Jonathan Edwards | 684 | 6-2; 6-2 | | CS | Loss | Gavin McNulty | | 6-2; 6-3 |
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HSI Jr. Winter Chmps., February 10, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Colby Tubbs | + | 2-6; 7-5; 1-0(8) | | S | Loss | Seth Buckmaster | | 3-6; 6-2; 1-0(8) |
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Wildewod Jr. Challenger, February 17, 2012
 Lexington County Jr. Open, March 9, 2012
 Topspin Annual Classic, March 17, 2012
 North Hills Club Spring Open, April 7, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Kyle Schlanger | 368 | 6-2; 6-0 | | 2 | Win | Daniel Citron | | 7-5; 3-0Ret (inj)RJ | | QQ | Loss | Scott Gallimore | | 6-2; 6-1 |
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Pepsi Jr. Open, April 21, 2012
 Dunes Waccamaw Cardiology Open, April 28, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Otto Czechner | | 6-2; 6-1 | | S | Loss | Robert Conley | | 7-5; 6-0 |
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FTA Jr. Challenger, May 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Brandon Eads | | 6-0; 6-0 | | F | Win | Luke Campbell | | 6-2; 6-3 |
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Palmetto Chmps. State Closed, June 2, 2012
 The Prestwick CC Beach Blast, June 22, 2012
 SC Closed Hardcourt State Chmp., July 7, 2012
 SC Closed Clay Court Chmp., July 28, 2012
 31st Annual RRC Jr. Classic, September 8, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Alexander Aziz | | 1-0Ret (ill)WoJ* | | 32 | Loss | Garrett Klumpar | | 4-0; 4-0 | | 16 | Loss | Blaine Boyden | 203 | 6-1; 6-1 |
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T.J. Spurling Chmps., September 14, 2012
 SC State Open Chmps., September 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Karthik Arunkumar | 1489 | 6-0; 6-3 | | 1 | Loss | Jacob Chesney | | 7-5; 6-2 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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