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 |  |  | | Jack Hamburg |  | | Residence: | Rapid City, SD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Baseline Winter Chmps. (Chmp. L5), February 24, 2006
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Zachary Ringer | | 6-0; 6-0 | | 16 | Win | Christopher Basting | 1976 | 6-1; 6-0 | | Q | Win | Scott Elsass | 365 | 6-0; 6-2 | | S | Win | Noah Swiler | | 6-0; 6-0 | | F | Win | Marcel Gyswyt | | 6-4; 6-3 |
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Flagship Mercedes Benz Winter Chmps., March 3, 2006
 Easter Bowl USTA BG14,G16 Nat'l Chmps., April 12, 2006
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Jackson Isaacs | + | 7-5; 6-2 | | 64 | Loss | Zhongming Chen | | 6-0; 6-0 | | 2 | Win | Michael Zhu | 52 | 6-2; 2-6; 6-2 | | 3Q | Loss | Justin Shane | 32 | 6-3; 6-2 |
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USTA Northern Sectionals BG18-12, June 10, 2006
 RAC Boys Summer Chmps. L4, June 23, 2006
 USTA Zone Team Chmps., July 8, 2006
 NAC B18,14 Fall Classic L5, September 22, 2006
 GUSTAvus Fall Classic B14,18, October 20, 2006
 GUSTAvus Fall Classic B16,12 L5, October 27, 2006
 Baseline TC Indoor Chmps. L5, December 8, 2006
 USTA BG14,12 Winter Chmps., December 27, 2006
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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