| |  | 
  | |  |
 |  |  | | Jonathan Chung |  | | Residence: | San Jose, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Seascape President's Day Open/Chal., February 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Ronak Muni | | Wd (ill)WI* |
|  |  |
Johnson Ranch BG18-10 Chmps., February 27, 2010
 Diamond Hills Jr. Chmps., March 27, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Winston Yu | | 6-3; 6-0 |
|  |  |
Monterey TC April Jr. Open, April 10, 2010
 NorCal BG12 Sectional Chmps., June 14, 2010
 Santa Cruz TA Jr. Open, July 24, 2010
 Alpine Hills Jr. Fall Classic Open, August 2, 2010
 Niru's Tennis Academy Open, August 21, 2010
 Courtside Jr. Chmp., September 18, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |