Ratings
KOYAHARA Naoto (Japan)
Japanese name(s): 小屋原直人15 tournaments
86 results
Player ID: 5689
86 results
Player ID: 5689
2011-01-09: 71_Kanagawa_open(Japan)
| IIJIMA Takamune | 52-12 | KOYAHARA Naoto |
| GOTO Masahiro | 48-16 | KOYAHARA Naoto |
| KOYAHARA Naoto | 36-28 | KOSHINO Kazuhiko |
| YAMAZAKI Nobuyuki | 46-18 | KOYAHARA Naoto |
| TAKEDA Kyoko | 37-27 | KOYAHARA Naoto |
2010-05-09: 2010_Kanagawa_prelim(Japan)
| HAGIKURA Yutaka | 38-26 | KOYAHARA Naoto |
| SUKO Masayuki | 41-23 | KOYAHARA Naoto |
| TSUCHIYA Shotaro | 52-12 | KOYAHARA Naoto |
| KOYAHARA Naoto | 46-18 | WADA Tahara |
| KOBAYASHI Ritsuko | 41-23 | KOYAHARA Naoto |
| TAKEDA Kyoko | 57-07 | KOYAHARA Naoto |
| MIYASATO Shiyoko | 49-15 | KOYAHARA Naoto |
2009-12-06: 14_Kawasaki_open(Japan)
2009-03-01: 62_Kanagawa_Open_B(Japan)
2009-02-01: 30_Kanagawa_Expert(Japan)
2009-01-04: 61_Kanagawa_Open_A(Japan)
| TAKIGAWA Mitsuaki | 43-21 | KOYAHARA Naoto |
| KATO Yuzuru | 53-11 | KOYAHARA Naoto |
| TAKEDA Kyoko | 33-31 | KOYAHARA Naoto |
| SANO Yoko | 41-23 | KOYAHARA Naoto |
| KOYAHARA Naoto | 47-17 | INOUE Masaru |
| IKEDA Atsuhiko | 45-19 | KOYAHARA Naoto |
| KOYAHARA Naoto | 32-32 | IHARA Kunihiko |
| KOYAHARA Naoto | 46-18 | KOSHINO Kazuhiko |
| OTA Masahumi | 48-16 | KOYAHARA Naoto |
| ITAGAKI Kenichi | 35-29 | KOYAHARA Naoto |
| KOYAHARA Naoto | 33-31 | TANAKA Shuntaro |
| NODA Bintatsu | 44-20 | KOYAHARA Naoto |
| SUZUKI Yuta | 46-18 | KOYAHARA Naoto |
| KOYAHARA Naoto | 40-24 | SHIMURA Hiroki |
| KASHIWAGI Mitsuyoshi | 56-08 | KOYAHARA Naoto |
| TAKEDA Hajime | 62-02 | KOYAHARA Naoto |
| KOYAHARA Naoto | 41-23 | SHINOHARA Chiaki |
| KOYAHARA Naoto | 33-31 | SANO Joichiro |
| NARITA Daisuke | 44-20 | KOYAHARA Naoto |
| TOKI Hidenobu | 35-29 | KOYAHARA Naoto |
| KOYAHARA Naoto | 57-07 | INOUE Masaru |
2008-12-07: 12_Ohu_Open(Japan)
2008-01-06: Shinagawa Open 2008 beginner(Japan)
| TAKIGAWA Mitsuaki | 54-10 | KOYAHARA Naoto |
| INOUE Masaru | 48-16 | KOYAHARA Naoto |
| NARITA Daisuke | 38-26 | KOYAHARA Naoto |
| KOYAHARA Naoto | 32-32 | TAKEDA Kyoko |
| SATO Tetsuya | 44-20 | KOYAHARA Naoto |
| KOSHINO Kazuhiko | 44-20 | KOYAHARA Naoto |
| SAITO Chikara | lost to | KOYAHARA Naoto |
| SUZUKI Yuta | won against | KOYAHARA Naoto |
| NOBORU Takuo | lost to | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | OGINO Takeru |
| UEMURA Hirotakashi | won against | KOYAHARA Naoto |
| SHINBO Asakura | won against | KOYAHARA Naoto |
2007-12-02: 10th head to head tournament(Japan)
2007-11-04: 55th Kanagawa Open B(Japan)
2007-02-04: 28th Meijin Kanagawa Preliminaries(Japan)
2007-01-07: 51st Kanagawa Open B(Japan)
| KOYAHARA Naoto | lost to | IKEDA Atsuhiko |
| KOYAHARA Naoto | won against | KEIO Hiroshi |
| KOYAHARA Naoto | won against | ISHIWATA Yoshikazu |
| NAGASAKI Hidekazu | won against | KOYAHARA Naoto |
| IWASAKI Toshinori | lost to | KOYAHARA Naoto |
| KAWAGUCHI Yuuki | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | FUKUSHIMA Hisanaga |
| KOYAHARA Naoto | won against | SANO Joichiro |
| NARITA Daisuke | 32-32 | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | HATENA Akijima |
| MASUDA Yoshiki | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | MIZUMOTO Tikako |
| WADA Tahara | won against | KOYAHARA Naoto |
| YAMAZAKI Nobuyuki | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | TAKAHASHI Ketsu |
| IKEDA Atsuhiko | won against | KOYAHARA Naoto |
| IIJIMA Taihei | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | TAJIKAWA Ryoji |
| KOYAHARA Naoto | won against | MORII Kou |
| KOYAHARA Naoto | won against | SERATA Mikio |
| KOYAHARA Naoto | won against | KANAZAWA Kota |
| INOMATA Takamasa | won against | KOYAHARA Naoto |
| SHINBO Asakura | won against | KOYAHARA Naoto |
2006-06-04: 7th owa tournament(Japan)
| SAWADA Tomohiro | won against | KOYAHARA Naoto |
| TOSAKA Hideki | won against | KOYAHARA Naoto |
| DOMOTO Shin | won against | KOYAHARA Naoto |
| KOBAYASHI Manabu | won against | KOYAHARA Naoto |
| TAKEDA Kyoko | won against | KOYAHARA Naoto |
2004-09-05: 39th Kanagawa Open B(Japan)
2004-05-08: Kekka Open(Japan)
| IIJIMA Taihei | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | KONNO Shoichi |
| KOYAHARA Naoto | won against | TAKANO Hiroyoshi |
| KOYAHARA Naoto | won against | MARUYAMA Kaoru |
| KOYAHARA Naoto | won against | MIYAZONO Gun |
| KOYAHARA Naoto | won against | SATO Tetsuya |
| TAKASHIMA Ryoji | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | KITASATO Miyako |
| SANO Yoko | won against | KOYAHARA Naoto |
| TAKEDA Kyoko | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | NOMARU Kaji |
| YAMAGUCHI Yoshiaki | won against | KOYAHARA Naoto |
| KOYAHARA Naoto | won against | SANO Erika |