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 |  |  | | Antonio Samperio |  | | Residence: | Chula Vista, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
12th Annual JCC Jr. Open Tourn., October 20, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Kevin Chen | 2039 | 6-3; 6-1 |
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Thanksgiving Vacation Jr. Tourn., November 10, 2012
 Homer Peabody Holiday Jr. Open Tourn., December 8, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Andrew Huang | 767 | 6-1; 1-6; 6-4 |
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64th San Diego Metropolitan Open Tourn., February 16, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Ian Mottale | 1208 | 3-6; 6-3; 6-4 |
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42nd Maureen Connolly Mem. Open Tourn., March 16, 2013
 79th Harper Ink Jr. Open Tourn., April 5, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Seth Kim | 502 | 6-1; 6-4 |
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