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 |  |  | | David Zak |  | | Residence: | Highland Park, IL |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
College Park New Year's BG1814 L6, January 2, 2007
 Wheaton SC New Year's Open L6, January 19, 2007
 Wisconsin BG14 Indoor Chmps., February 16, 2007
 Libertyville Spring Break BG14-10 L6, March 30, 2007
 Glenview "Spring Into Summer" Open L5, May 17, 2007
 Chicago Dst. Qualifier L4, June 8, 2007
 Midwest Closed BG14,12 Chmp., June 23, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Alex Toliver | | 6-3; 3-6; 6-4 | | 1 | Win | Leonard Mathews II | 1067 | 6-1; 6-1 | | 2 | Loss | Jacob Laser | | 4-6; 6-4; 6-3 |
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USTA National Opens, June 30, 2007
 Midwest Open Chmps. B14, July 22, 2007
 Midwest Open Chmps. B16, July 30, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Tyler Manci | | 6-4; 6-1 |
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Ann Arbor Jr. Open, August 6, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Ameya Sohani | | 6-1; 7-5 | | 64 | Win | Andrew Miron | + | 3-6; 2-3Ret (ill)RI | | 32 | Loss | David Packowitz | | | | 3 | Win | Jeffrey Loduca | + | 2-6; 6-3; 6-2 | | 4Q | Loss | Nolan Marks | | 6-4; 6-2 |
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Five Seasons B16 Fall Open, October 26, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Isriz Balase | | 6-1; 6-2 | | 32 | Win | Ross Putterman | 121 | 6-4; 6-2 | | 16 | Loss | Jacob Laser | | 6-2; 6-0 |
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Four Lakes B18-14,10 Classic, November 9, 2007
 Eastside T&FC BG18-16, November 30, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Kevin Kangas | | 6-1; 6-2 | | Q | Win | Anish Raman | | Wd (em)WE* | | S | Loss | Ethan Niquet | | 6-2; 6-4 |
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Wildcat Winter Break L6, December 21, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Justin Olexa | | 6-2; 6-3 | | 16 | Win | Ronnie Wing | | 6-3; 6-4 | | Q | Loss | Yasufumi Terada | | 6-3; 6-1 |
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Lincolnshire Holiday Chal. BG18-14 L6, December 26, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | David Myers | 922 | 6-4; 6-2 | | Q | Loss | Alexander Gebert | | 6-3; 3-6; 6-1 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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