Jonathan Czerny (BRA)
Country: Brazil, Born November 24, 1993 (19 years old), Category: Junior, Boys
ITF Ranking
-
Career High : 1554
Tournaments played in 2010
See detailed tennis results of Jonathan Czerny| Oct 25 | B18 G5 | 1/32 | Copa Santa Catarina, Itajai(BRA) |
| Oct 18 | B18 G5 | 1/32 | Bahia Open - Porto Seguro, Porto Seguro(BRA) |
| Oct 11 | B18 G5 | 1/32 | Londrina Tennis Cup, Londrina(BRA) |
| Oct 04 | B18 G5 | 1/16 | Copa GTC, Guarulhos(BRA) |
| Jul 19 | B18 G5 | 1/16 | Mburucuya Bowl, Lambare(PAR) |
| Jul 13 | B18 G5 | 1/16 | Paraguay Junior Open, Luque(PAR) |
| Mar 29 | B18 G5 | 1/32 | International Pascuas Bowl, Asuncion(PAR) |
| Mar 15 | B18 GA | [Q] | Copa Gerdau, Porto Alegre(BRA) |
| Mar 08 | B18 G1 | [Q] | Banana Bowl, San Paulo(BRA) |
| Feb 01 | B18 G2 | [Q] | Torneo Internacional Inka Bowl, La Molina Lima(PER) |
| Jan 25 | B18 G2 | [Q] | Nicolas Machivello Copa Graiman, Guayaquil(ECU) |
| Jan 18 | B18 G1 | [Q] | Barranquilla Junior Tennis Tournament, Barranquilla(COL) |











