Ratings
KOSAKA Yudai (Japan)
Japanese name(s): 小坂雄大3 tournaments
18 results
Player ID: 12938
18 results
Player ID: 12938
2014-11-30: 14_Saitama_open(Japan)
2014-05-10: 92_Shinagawa_open(Japan)
| KOSAKA Yudai | 37-27 | ISHIKAWA Akira |
| SAITO Riki | 43-21 | KOSAKA Yudai |
| KOSAKA Yudai | 47-17 | TATENO Ryuuji |
| KATSURA Hisatoshi | 41-23 | KOSAKA Yudai |
| KOSAKA Yudai | 43-21 | TAYAMA Tsubasa |
| ASOU Daisuke | 49-15 | KOSAKA Yudai |
| MATSUZAWA Masa | 34-30 | KOSAKA Yudai |
| IWAKURA Hiroaki | 38-26 | KOSAKA Yudai |
| SUGUWARA Kiyoshi | 37-27 | KOSAKA Yudai |
| KOSAKA Yudai | 34-30 | YAMAMOTO Tetsuro |
| KOSAKA Yudai | 33-31 | NAKAZAWA Junichi |
2013-08-04: 4_Kanagawa_cup(Japan)
| OHMORI Keita | 53-11 | KOSAKA Yudai |
| TATSUMI-IIJIMA Yukiko | 49-15 | KOSAKA Yudai |
| KOSAKA Yudai | 48-16 | TAKIGAWA Mitsuaki |
| KODAMA Toku | 47-17 | KOSAKA Yudai |
| KOSAKA Yudai | 33-31 | SUGUWARA Kiyoshi |
| KOSAKA Yudai | 50-14 | ITAGAKI Ryuichi |
| SANO Yoko | 45-19 | KOSAKA Yudai |