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 |  |  | | Giannina Ong |  | | Residence: | Cupertino, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
SSRC Jr. Excellence, January 30, 2010
 USTA National Open, February 13, 2010
 Johnson Ranch BG18-10 Chmps., February 27, 2010
 Diamond Hills Jr. Chmps., March 27, 2010
 USTA National Opens, May 22, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Alison Ho | 291 | 6-2; 1-0Ret (inj)RJ |
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NorCal BG18-16 Sectional Chmps., June 14, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Elysa Kohrs | 1058 | 2-6; 6-2; 7-5 |
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USTA National Opens, July 3, 2010
 West Coast Chmps., August 2, 2010
 Carmel Valley AC Fall Jr. Chmps., September 3, 2010
 Courtside Jr. Chmp., September 18, 2010
 * The ranking calculation does not count this match.
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