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 |  |  | | Derek Klein |  | | Residence: | San Diego, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA Regional Tourn. (Palm Desert), January 21, 2012
 67th Annual Fullerton Jr. Tourn., January 28, 2012
 31st Woody Hunt Mem. South Bay Tourn., February 11, 2012
 USTA National Open, February 25, 2012
 USTA International Spring Chmps., March 31, 2012
 112th Ojai Valley Jr. Tourn., April 26, 2012
 Anaheim TC Spring Jr. Open Tourn., April 28, 2012
 USTA National Open, May 12, 2012
 Esme Pearson Memorial Jr. Open Tourn., May 19, 2012
 CIF San Diego Section Boys Indiv. Chmps., May 21, 2012
 110th So. California Sectional Chmps., June 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Justin Agbayani | | Wd (inj)WJ* |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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