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 |  |  | | Chas Okamoto |  | | Residence: | Princeville, HI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
DT Wailuku Winter Jr. Sectionals, January 16, 2010
 Pearl Harbor Winter Jr. Tourn., January 30, 2010
 DT Holua Jr. Open, February 5, 2010
 USTA National Open, February 13, 2010
 Pearl Harbor Winter Jr., February 20, 2010
 DT USTA Spring Jr. Section Chmps., March 18, 2010
 The Easter Bowl Spring Nat'l, April 11, 2010
 DT Pearl Harbor Easter Jr. Chmps., April 23, 2010
 DT USTA Nike Summer Section Chmps., June 10, 2010
 USTA National Opens, July 3, 2010
 Boys' 18 National Team, July 31, 2010
 DT Hawaii State Jr. Chmps., August 13, 2010
 Hilo Fall Jr. Sectional Chmps., September 3, 2010
 Kauai Fall Jr. Open, September 25, 2010
 North Hawaii TA Jr. Chmps., October 22, 2010
 USTA National Open, November 25, 2010
 USTA Winter National Chmps., December 27, 2010
 * The ranking calculation does not count this match.
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