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 |  |  | | Peter Hahn |  | | Residence: | Rancho Cucamonga, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
110th So. California Sectional Chmps., June 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 512 | Loss | Jeffrey Mah | 662 | 6-4; 6-2 |
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8th Occta Santa Ana Jr. Open Chmps., June 25, 2012
 16th Tennis for All Jr. Open Tourn., July 7, 2012
 Lakewood Jr. Open & Jr. Satellite Tourn., July 21, 2012
 14th Upland TC Jr. Open Tourn., August 11, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Brian Lo | 1805 | 6-2; 6-1 |
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Claremont Club Jr. Sat. Tourn., September 15, 2012
 The Orange Co./J.P. Yamasaki Open, October 6, 2012
 West Coast Tennis South Bay Fall Open, October 13, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | William Li | | 6-4; 7-5 |
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68th Itennis Rose Bowl Jr. Chmps., October 20, 2012
 21st Westcoast Winter Jr. Open/Sat., November 17, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Brandon Go | | 6-2; 6-4 | | 32 | Loss | Alex Sun | | 6-3; 6-2 |
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Lakewood Open & Satellite Tourn., December 8, 2012
 37th Claremont Club Jr. Tourn., December 15, 2012
 22nd SoCal Christmas Jr. Tourn., December 26, 2012
 31st SCTA Jr. Satellite Masters, January 12, 2013
 68th Annual Fullerton Jr. Tourn., February 2, 2013
 10th Annual Ramada Jr. Open Tourn., February 9, 2013
 32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
 Andulka Park Spring Open Chmps., March 23, 2013
 26th San Gabriel Valley Open, April 6, 2013
 16th Upland Jr. Satellite Tourn., April 20, 2013
 Flint Canyon Spring Open Tourn., May 4, 2013
 Match Point TA Spring Open Chmps., May 18, 2013
 * The ranking calculation does not count this match.
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