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 |  |  | | Jacob Walker |  | | Residence: | Bethesda, MD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS Championship #3, June 19, 2012
 USTA National Open, July 2, 2012
 USTA B14 National Clay Court Chmps., July 15, 2012
 USTA Zonal BG16 - Winston Salem, July 25, 2012
 USTA B14 National Chmps., August 5, 2012
 USTA MAS B16 Challenger #5, August 18, 2012
 USTA Regional Tourn. (Norman), September 1, 2012
 USTA MAS B16 Challenger #6, September 15, 2012
 USTA MAS B18-16 Chmp. #4, October 6, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Mark Prettyman | 867 | 6-3; 6-3 | | 16 | Win | Jake Gober | + | 7-5; 6-3 | | Q | Loss | Shyam Venkatasubramanian | | 6-2; 6-2 | | CQ | Loss | Fred Mesmer | | 6-3; 6-1 |
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Maryland State Clay Court Chmps., October 12, 2012
 USTA Regional Tourn. (Grand Blanc), October 27, 2012
 USTA MAS B18 Challenger #7, November 10, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | James Howanitz | | 6-3; 6-4 | | 32 | Win | Fred Mesmer | 344 | 7-6(5); 2-6; 7-5 | | 16 | Win | Biyik Akinsemoyin | + | 6-3; 3-6; 7-5 | | Q | Loss | Shyam Venkatasubramanian | | 6-1; 6-1 |
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USTA National Open, November 23, 2012
 USTA MAS B18 Challenger #8, December 1, 2012
 USTA MAS BG16 Challenger #8, December 8, 2012
 USTA MAS B18 Championship #1, January 5, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Nicholas Bayh | | 6-1; 7-5 | | 16 | Win | Liam Sullivan | | 7-6(5); 5-4Ret (inj)RJ | | Q | Loss | Kian McLean | | 6-0; 6-2 | | CQ | Win | Alex Cauneac | 214 | 6-3; 6-4 | | CS | Win | Nicholas Bayh | | 6-3; 6-3 |
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USTA MAS B16 Chmp. #1 L1, January 12, 2013
 USTA Regional Tourn. (Mobile), January 26, 2013
 USTA MAS B18 Chmp. #2, March 2, 2013
 USTA MAS B16 Chmp. #2, March 9, 2013
 USTA BG16-14 National Spring Chmps., April 7, 2013
 USTA National Open, May 11, 2013
 USTA MAS Challenger #3 BG18, May 18, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Jake Fishkin | 744 | 6-4; 6-4 | | 32 | Win | Andrew Harrington | + | 6-1; 6-4 | | 16 | Loss | Sean Ngo | | Wo (admin)WoJ* |
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Boar's Head SC Jr. Chmps., June 1, 2013
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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