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 |  |  | | Jon Robert Leonik |  | | Residence: | Schertz, FL |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Copper Bowl, January 2, 2010
 San Antonio BG18-16 SCMZ, January 9, 2010
 Abieto Internacional Juvenil Ciudad de M, February 8, 2010
 Jalisco Junior Cup 2010, February 15, 2010
 El Salvador Junior Open 2010, February 22, 2010
 Guatemala ITF Junior, March 1, 2010
 Costa Rica Bowl, March 8, 2010
 USTA International Spring Championships, April 5, 2010
 The Easter Bowl ITF Tennis Chmps., April 12, 2010
 Northside Fiesta Jr. Open, April 23, 2010
 Houston Open Super Champ MZ, May 15, 2010
 USTA National Open BG18, May 22, 2010
 XIX Copa Mundo Maya, June 7, 2010
 Texas Summer Grand Slam, June 11, 2010
 St.Maarten Juniors Open 2010, July 12, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Calvin Knie | | 3-6; 7-6(4); 6-2 |
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ITF Jamaica Junior Tournament, July 19, 2010
 Copa Tampico, August 9, 2010
 Monterrey Contry ITF Junior Cup 2010, August 16, 2010
 San Agustin Jr. Cup, August 23, 2010
 Copa Mangu, September 27, 2010
 Curacao Juniors Open 2010, October 4, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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