Armin Koschtojan (GER)
Country: Germany,
Category: Junior, Boys
Tournaments played in 2019
See detailed tennis results of Armin Koschtojan| Jul 22 | J30B | 1/16 | J5 Aschheim \ International Bavarian Summer Championships, Aschheim(GER) |
| Jul 15 | J100B | [Q] | J100 Moenchengladbach \ NRW Junior Open, Munchengladbach(GER) |
| Jul 08 | J100B | [Q] | J100 Neunkirchen \ Saarland Junior Open, Neunkirchen(GER) |
| Jul 02 | J60B | 1/16 | J4 Bruchkobel \ Bruchkoebeler Head Cup, Bruchkobel(GER) |
| Jul 02 | J60B | [Q] | J4 Bruchkobel \ Bruchkoebeler Head Cup, Bruchkobel(GER) |
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