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 |  |  | | Jeffrey Mah |  | | Residence: | Irvine, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
16th West Coast Jr. Open & Sat. Tourn., May 26, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Jared Fong | 1128 | 6-2; 7-5 | | 64 | Loss | Jackson Powell | | 7-5; 6-1 |
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27th Anaheim Hills Jr. Open Tourn., June 2, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Kevin Tam | 574 | 6-0; 3-6; 6-2 |
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110th So. California Sectional Chmps., June 16, 2012
 13th Chapman Univ. Jr. Open Tourn., July 7, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Charles Tong | | 6-3; 6-7; 10-7 |
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14th Ramada TC Jr. Open Tourn., September 1, 2012
 28th Los Caballeros Jr. Open Tourn., September 8, 2012
 The Orange Co./J.P. Yamasaki Open, October 6, 2012
 Lakewood Open & Satellite Tourn., December 8, 2012
 Lakewood Winter Jr. Open Tourn., January 5, 2013
 62nd Gene Jung Whittier Midwinter Tourn., January 19, 2013
 68th Annual Fullerton Jr. Tourn., February 2, 2013
 4th Cerritos Reg. Park Open Tourn., February 16, 2013
 32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
 56th Long Beach Jr. Tourn., March 9, 2013

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