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 |  |  | | Nathan Ponwith |  | | Residence: | Scottsdale, AZ |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Copper Bowl, January 2, 2010
 Phoenix Jr. Chmps., January 16, 2010
 Surprise Spring Sweet 16 L5, February 6, 2010
 Surprise Winter Classic L6, March 6, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Hudson Blake | | 6-0; 6-0 |
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Dan Konchan Mem. Scholarship Open, March 20, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Jeremy Harlas | | 6-4; 6-1 | | 16 | Loss | Grant Solomon | | 6-0; 6-1 | | Q | Win | Stefan Espin | | 6-0; 6-0 | | S | Loss | Maximilian Wightman | | 6-3; 6-1 |
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Arizona Jr. Chmps. BG14-8, April 2, 2010
 USTA BG12 National Spring Chmps., April 11, 2010
 Quiksilver Jr. Chmps., May 28, 2010
 Tucson Sweet 16 L5, June 5, 2010
 USTA Southwest Jr. Closed L3, June 12, 2010
 USTA National Opens, July 3, 2010
 USTA B12 National Clay Court Chmps., July 18, 2010
 Zone Team BG12 - Tucson, July 28, 2010
 USTA B12 National Chmps., August 7, 2010
 New Mexico Jr. Open L5, September 4, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Matthew Pascal | | 6-3; 6-4 | | 16 | Loss | Sean Baklini | | 7-6; 3-6; 6-1 | | 2 | Win | Gabriel Cerritos | | 6-1; 6-2 | | CQ | Win | Michael Atkins | | 6-1; 6-0 | | CS | Win | Shepard Moore | | 6-1; 6-4 | | CF | Win | Kyle Chalmers | | 0-6; 6-4; 6-2 |
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NIKE Jr. Tour USA Masters, September 17, 2010
 Dunlop Jr. Chmps., October 9, 2010
 Mesa Fall Sweet 16 L5, October 30, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Matthew Dunn | | 6-1; 0-6; 6-4 | | Q-W | Win | Nicholas Silvestri | | 6-1; 6-4 | | S-W | Win | Michael Tran | 252 | 6-1; 6-2 | | F-W | Win | Chris Humphreys | + | 1-6; 6-1; 6-4 |
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USTA National Open, November 25, 2010
 49th Jr. Orange Bowl Int'l. Chmps., December 14, 2010
 USTA Winter National Chmps., December 27, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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