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 |  |  | | David Zumwalt |  | | Residence: | Los Ranchos, NM |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Santa Fe Jr. Open L6, August 1, 2009
 Taos Jr. Open L6, August 7, 2009
 Jerry Cline Jr. Open #5 L6, August 14, 2009
 New Mexico Jr. Open L5, September 5, 2009
 El Conquistador Jr. Open, September 19, 2009
 Jerry Cline Jr. Turkey Tourn. L6, November 6, 2009
 Western States Jr. Open L5, November 27, 2009
 Jerry Cline Super Set #3 L6, December 5, 2009
 Lobo TC Winter Jr. Open L6, December 11, 2009
 Phoenix Jr. Chmps., January 16, 2010
 Jerry Cline Jr Open #1 L6, January 30, 2010
 Jerry Cline Jr. Open #2 L6, February 20, 2010
 Sun City Jr. Chmps. L4, February 27, 2010
 Dan Konchan Mem. Scholarship Open, March 20, 2010
 Jerry Cline Jr. Open #3 L6, March 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Jake Contos-Heidrich | | 6-2; 6-2 | | S | Loss | Miles Parnegg | 1924 | 2-6; 6-4; 10-2 | | CS | Win | Glen Berlin | | Wd (emerg)WE* | | CF | Win | Jake Contos-Heidrich | | 6-3; 7-6(7-5) |
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Arizona Jr. Chmps. BG18-16, April 2, 2010
 Jerry Cline Jr. Open #4 L6, June 4, 2010
 USTA Southwest Jr. Closed L3, June 12, 2010
 The Ranches Jr. Open L6, June 25, 2010
 TCA Jr. Open L6, July 5, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Graham Bryan | | 5-7; 6-4; 6-1 | | S | Win | Miles Parnegg | 1924 | 6-4; 6-3 | | F | Loss | Ricky Sanchez | | 6-7; 7-6; 7-5 |
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Highpoint Jr. Open L6, July 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Jake Contos-Heidrich | | 6-3; 6-2 | | Q | Win | Will Matthews | 3773 | 6-1; 6-1 | | S | Loss | Adam Cheney | | 6-0; 6-2 |
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* The ranking calculation does not count this match.
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