Kousuke Yahiro (JPN)
Country: Japan,
Category: 16 & Under, Boys
Tournaments played in 2018
See detailed tennis results of Kousuke Yahiro| Nov 28 | J30B | [Q] | J30 Yamanashi \ ITF Juniors In Japan U18, Hokuto-City(JPN) |
| Nov 20 | J30B | [Q] | J30 Chigasaki \ Ai Sugiyama Cup, Chigasaki(JPN) |
| Sep 05 | J60B | [Q] | J4 Miki City \ Hyogo International Junior Tournament 2, Hyogo(JPN) |
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