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 |  |  | | Jonathan Baker |  | | Residence: | Newport Coast, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial Jr. Open Tourn., May 19, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | JaeHwan Min | | 6-3; 6-2 |
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16th West Coast Jr. Open & Sat. Tourn., May 26, 2012
 97th Santa Barbara Summer Tourn., June 2, 2012
 110th So. California Sectional Chmps., June 16, 2012
 68th Annual Ventura Jr. Tourn., June 23, 2012
 28th Los Caballeros Jr. Open Tourn., September 8, 2012
 49th Northridge-Matador Jr. Open Tourn., September 22, 2012
 West Coast TA Jr. Open Tourn., September 28, 2012
 The Orange Co./J.P. Yamasaki Open, October 6, 2012
 West Coast Tennis South Bay Fall Open, October 13, 2012
 68th Itennis Rose Bowl Jr. Chmps., October 20, 2012
 L1 LBTC November Chmps., November 16, 2012
 The SoCal Jr. Chmps., November 17, 2012
 Lakewood Open & Satellite Tourn., December 8, 2012
 L1B Gotham Jr. Winter Classic, December 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Sam Loring | | Def (ns)DP |
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L1 Justin Gimelstob Children's Fund, December 21, 2012
 L1 Armonk Indoor Winter Chmps., December 27, 2012
 62nd Gene Jung Whittier Midwinter Tourn., January 19, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Jake Ly | 2534 | Def (ns)DP |
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10th Annual Ramada Jr. Open Tourn., February 9, 2013
 56th Long Beach Jr. Tourn., March 9, 2013
 USTA Claremont ITF, March 23, 2013
 Woodbridge TC Spring Jr. Open, April 13, 2013
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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