Jonas Kolonovics (AUT)
Country: Austria,
Category: Junior, Boys
Tournaments played in 2025
See detailed tennis results of Jonas Kolonovics| Sep 22 | M15 | [Q] | M15 Slovenj Gradec 08, Slovenj Gradec(SLO) |
| Aug 18 | M15 | [Q] | M15 Mistelbach 07, Mistelbach(AUT) |
| Jul 14 | M25 | [Q] | M25 Kramsach 04, Kramsach(AUT) |
| Jul 07 | M15 | [Q] | M15 Telfs 03, Telfs(AUT) |
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