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 |  |  | | Alex Knaff |  | | Residence: | New York, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1 Sportime LR Eastern Des. B14, January 7, 2011
 USTA Regional Tourn., January 22, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Hunter Lanier | | 6-2; 6-1 | | 16 | Win | Austin Racine | | 6-2; 6-2 | | Q | Win | Alexander Poynter | 259 | 6-3; 6-2 | | S | Loss | Steven Karl | 28 | 6-1; 6-4 | | PL | Loss | Spencer Richey | | 6-3; 6-1 |
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L1 BG14 Eastern Des. Closed, January 28, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Palmer Clare | 493 | 6-1; 6-0 | | 16 | Loss | Josh Silverstein | | 2-6; 6-3; 6-4 | | 2 | Win | Jared Halstrom | + | 7-6(5); 6-2 | | QQ | Win | Oliver Sec | 59 | 6-4; 6-2 | | CQ | Loss | Myles Schalet | | 3-6; 6-4; 10-6 |
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L1 Solaris Eastern Des. B14, February 11, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Fredrick Zaretsky | | 6-4; 6-1 | | 16 | Loss | Daniel Grunberger | | 6-2; 6-1 | | 2 | Win | Cameron Daniels | + | 6-2; 2-6; 10-4 | | QQ | Loss | Jared Halstrom | | 4-6; 7-5; 10-6 |
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USTA National Open, February 26, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Grayson Broadus | 43 | 6-1; 6-1 | | 1 | Win | Jalen Evans | | 6-4; 6-4 | | 2 | Win | Conner Doyle | | 6-2; 6-2 | | QQ | Win | Austin Walker | | 7-5; 4-1Ret (emerg)RJ | | CQ | Loss | Lee-Shawn Stein | | 6-4; 6-1 |
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L1 RWTTC Eastern Des. Closed Chmps., March 4, 2011
 L1 Eastern B14 Des. Closed, March 25, 2011
 USTA BG16-14 National Spring Chmps., April 10, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Daniel Rayl | | 6-4; 6-2 | | 1-W | Win | Alex Cauneac | 104 | 6-4; 6-3 | | 2-W | Win | Jasper Koenen | + | 6-4; 6-3 | | 3-W | Loss | Grey Hamilton | | 6-2; 6-4 |
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L1 Gold's Dewitt Eastern Des. B14, April 22, 2011
 USTA National Open, May 14, 2011
 L1 Mendham Eastern Des. Closed, June 3, 2011
 USTA National Open, July 2, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Kyle Barr | 74 | 2-6; 6-2; 7-6(3) | | 1 | Loss | Christopher Auteri | | 6-4; 6-4 |
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USTA Regional Tourn. (Ponte Verde), July 9, 2011
 USTA B14 National Clay Court Chmps., July 17, 2011
 L1 Little Silver Tennis Warehouse Chmps, July 29, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Philip Serino | | Wd (inj)WJ* | | Q | Win | Fredrick Zaretsky | | 6-2; 6-1 | | S | Win | Kenneth Friedman | | 6-1; 6-0 | | F | Win | Carl Brown | | 6-3; 6-2 |
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USTA B14 National Chmps., August 7, 2011
 L1B Courtsense Challenger, September 9, 2011
 L1 Mendon Eastern Des. Closed Chmps., September 9, 2011
 L1 New Shrewsbury Eastern Des. B14, September 23, 2011
 L1 Mt. Lakes Eastern Des. Closed Chmps., October 14, 2011
 USTA Regional Tourn. (Rochester), October 29, 2011
 L1 Alley Pond Eastern Des. B14 Closed, November 4, 2011
 L1 Sportime Lynbrook Chmps., November 18, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Sebastian Suess | | 6-4; 6-2 | | 32 | Win | Steven Koulouris | | 6-1; 6-2 | | 16 | Win | Conor Mullins | + | 6-4; 6-0 | | Q | Win | Joshua Gordon | | 6-0; 6-3 | | S | Loss | Julian Rozenstein | | 6-3; 6-0 |
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L1 Alley Pond New Year Chmps., December 30, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Benjaman Beruh | | 6-0; 6-1 | | 16 | Loss | Alexis Cai | | 7-5; 6-1 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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