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 |  |  | | William Duan |  | | Residence: | Torrance, 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 | | 64 | Loss | Sebastian Prokic | | 6-0; 6-1 |
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12th West Coast Tennis South Bay Open, June 2, 2012
 14th South Bay TC Satellite Tourn., July 14, 2012
 Lakewood Winter Jr. Open Tourn., January 5, 2013
 68th Annual Fullerton Jr. Tourn., February 2, 2013
 32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
 South Bay TC Spring Jr. Open, April 12, 2013

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