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 |  |  | | William Blumberg |  | | Residence: | Greenwich, CT |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1 Point Set Eastern Des. Closed, May 18, 2012
 US BG18 Int'l Grass Court Chmps., June 11, 2012
 USTA B18,16 National Clay Court Chmps., July 15, 2012
 US Open Junior Tennis Championships, September 2, 2012
 L1 Midtown Eastern Des. Closed B16, September 7, 2012
 Waco ITF, September 24, 2012
 Wichita Falls ITF, October 1, 2012
 Atlanta ITF, October 29, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Oscar Janglin | 168 | 6-1; 6-0 | | 32 | Win | Shane Monroe | + | 7-5; 6-2 | | 16 | Win | Thomas Mayronne | + | 3-6; 6-3; 7-6(5) | | Q | Win | Javier Restrepo | 32 | 6-3; 7-5 | | S | Win | Paul Oosterbaan | + | 6-2; 4-6; 7-6(7) | | F | Win | Nathan Ponwith | 15 | 6-3; 6-4 |
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South Carolina ITF, November 5, 2012
 Evert American ITF, November 12, 2012
 Orange Bowl Int'l Tennis Chmps., December 3, 2012
 L1 RWTCC Eastern Des. B16, January 11, 2013
 USTA International Spring Chmps., March 30, 2013
 The Easter Bowl ITF Tennis Chmps., April 8, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Brandon Sutter | | 6-4; 6-2 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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