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 |  |  | | Nathan Ponwith |  | | Residence: | Scottsdale, AZ |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA Intersectional Team, July 8, 2012
 USTA B18,16 National Clay Court Chmps., July 15, 2012
 USTA National B18-16 Chmps., August 3, 2012
 Waco ITF, September 24, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | A. Catanzariti | | 6-2; 6-1 |
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Wichita Falls ITF, October 1, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Adrian Ortiz | + | 6-4; 6-4 | | 32 | Loss | Thomas Mayronne | | 6-1; 6-4 |
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Dan Konchan Mem. Scholarship Open, October 13, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Cameron Hicks | | 6-4; 6-3 | | 16 | Loss | Cooper Bridge | | 6-2; 6-3 | | 2 | Loss | James Ponwith | | Wo (inj)WoJ* |
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Atlanta ITF, October 29, 2012
 South Carolina ITF, November 5, 2012
 Evert American ITF, November 12, 2012
 Orange Bowl Int'l Tennis Chmps., December 3, 2012
 51st Jr. Orange Bowl Intl. Chmps., December 14, 2012
 USTA National Winter Chmps., December 27, 2012
 Copa Gatorade Internacional ITF Junior, February 18, 2013
 Copa Universidad Galileo, February 25, 2013
 USTA Claremont ITF, March 23, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | William Chiu | + | 6-4; 6-2 | | 32 | Loss | Ciro Riccardi | | 6-4; 6-2 |
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USTA International Spring Chmps., March 30, 2013
 The Easter Bowl ITF Tennis Chmps., April 8, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Oscar Janglin | 183 | 6-7(2); 6-3; 7-6(1) |
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Plantation ITF, May 6, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Semen Tripolskiy | + | 6-2; 6-2 | | 32 | Win | Jorge Vargas | | 6-1; 0-6; 6-3 | | 16 | Loss | Tommy Paul | 4 | 6-2; 6-3 |
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Delray Beach ITF, May 13, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Santiago Salazar | | 6-2; 6-4 | | 32 | Loss | Zandrix Acob | | 6-1; 7-6(2) |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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