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 |  |  | | Ronan Casteleyn |  | | Residence: | Santa Monica, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
2nd Annual Pete Brown Tennis Classic, May 19, 2012
 110th So. California Sectional Chmps., June 16, 2012
 8th Occta Santa Ana Jr. Open Chmps., June 25, 2012
 USTA Regional Tourn. (Irvine), July 7, 2012
 28th Los Caballeros Jr. Open Tourn., September 8, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Kiev Moores | 469 | 6-2; 6-1 |
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49th Northridge-Matador Jr. Open Tourn., September 22, 2012
 West Coast Tennis South Bay Fall Open, October 13, 2012
 23rd Calabasas Jr. Open Tourn., November 2, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Dylan Rabin | 1475 | 6-1; 7-5 |
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The SoCal Jr. Chmps., November 17, 2012
 49th Annual Anaheim Jr. Tourn., December 1, 2012
 22nd SoCal Christmas Jr. Tourn., December 26, 2012
 62nd Gene Jung Whittier Midwinter Tourn., January 19, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Ryan Mori | | 6-2; 6-2 |
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32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
 Andulka Park Spring Open Chmps., March 23, 2013
 16th SLO Spring Jr. Open Tourn., April 12, 2013
 McDonald's Stockdale CC Jr. Open, May 3, 2013
 34th Lakewood Spring Jr. Open Tourn., May 4, 2013
 * The ranking calculation does not count this match.
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