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 |  |  | | Robert Chang |  | | Residence: | Aiea, HI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Pearl Harbor Jr. Chal.Open Tourn., May 19, 2012
 PH Summer Jr. Challenger- Open, June 23, 2012
 DT Wailuku Summer Jr. Open, June 29, 2012
 Pearl Harbor Summer Jr. Chal.-Open, July 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Cody Ching | | Wd (inj)WJ* |
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Pearl Harbor Summer Jr. Chal.-Open, July 28, 2012
 Pearl Harbor Summer Chal.-Open Tourn., August 11, 2012
 DT Hawaii State Jr. Chmps., August 16, 2012
 Pearl Harbor Summer Jr. Chal.-Open, August 25, 2012
 Hilo Fall Jr. Sectional Chmps., August 31, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Cody Ching | 925 | 4-6; 7-6(5); 1-0 | | 32 | Loss | Leyton Ramos | 558 | 6-2; 6-1 | | 16 | Loss | Everett Fan | | 3-6; 6-4; 6-4 |
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Pearl Harbor Jr. Chal.-Open Tourn., September 15, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Zachary Yamada | | 8-4 | | Q | Win | Matthew Barnes | 1554 | 6-0; 6-0 | | S | Loss | Sean Yamamoto | | 6-0; 6-1 |
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Pearl Harbor Fall Jr. Chal.-Open, October 13, 2012
 Pearl Harbor Jr. Challenger-Open, November 10, 2012
 DT Wailuku Fall Jr. Open, November 23, 2012
 DT Wailuku Winter Sectionals, January 18, 2013
 Pearl Harbor Winter Jr. Chal.-Open, January 26, 2013
 Pearl Harbor Winter Jr. Chal.-Open, February 16, 2013
 Pearl Harbor Spring Jr. Chal./Open, March 2, 2013
 DT USTA Spring Jr. Section Chmps., March 29, 2013
 DT Pearl Harbor Easter Jr. Chmps., April 26, 2013
 * The ranking calculation does not count this match.
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