Ratings
2012-07-01: 78_Kanagawa_open(Japan)
2012-06-17: 4_All_Japan_Kanagawa_prelim(Japan)
2012-01-08: 76_Kanagawa_open(Japan)
| SANO Joichiro | 38-26 | KOIKE Hiroto |
| KAMIKURA Daisuke | 45-19 | KOIKE Hiroto |
| TAKEDA Kyoko | 46-18 | KOIKE Hiroto |
| MABUCHI Yuta | 52-12 | KOIKE Hiroto |
| IWAKURA Hiroaki | 54-10 | KOIKE Hiroto |
| KOIKE Hiroto | 51-13 | KATO Yudai |
| MITSUYA Nobuaki | 33-31 | KOIKE Hiroto |
| SATANI Tetsu | 33-31 | KOIKE Hiroto |
| KOIKE Hiroto | 33-31 | INOUE Masaru |
| ITAGAKI Kenichi | 33-31 | KOIKE Hiroto |
| TAKAHASHI Shiu | 33-31 | KOIKE Hiroto |
| URASHIMA Mei | 33-31 | KOIKE Hiroto |
| KOSHINO Kazuhiko | 52-12 | KOIKE Hiroto |
| KOIKE Hiroto | 50-14 | TAKIGAWA Mitsuaki |
| OHMORI Keita | 39-25 | KOIKE Hiroto |
| NAGANO Yasushi | 64-00 | KOIKE Hiroto |
| NARUMI Hisatoshi | 42-22 | KOIKE Hiroto |
| TAKAGI Yosuke | 33-31 | KOIKE Hiroto |
2008-06-15: 36th Japanese championship Kanagawa preliminary A(Japan)
| MATSUYA Shinpei | won against | KOIKE Hiroto |
| OHHASHI Tomoshige | lost to | KOIKE Hiroto |
| NAKAMURA Yuya | won against | KOIKE Hiroto |
| MITSUYA Nobuaki | won against | KOIKE Hiroto |
2005-09-17: 17_Shinagawa_open(Japan)
2005-05-07: 13_Shinagawa_open(Japan)
2005-03-20: 26_Meijin(Japan)
2005-02-20: 5th Chiyarenshi Open(Japan)
2005-02-12: 10_Shinagawa_open(Japan)
| NAKAJIMA Tetsuya | 43-21 | KOIKE Hiroto |
| NAKAJIMA Yukari | 41-23 | KOIKE Hiroto |
| KOIKE Hiroto | 48-16 | SHUICHI Tsuda |
| KOIKE Hiroto | 45-19 | SATAKE Yosuke |
| KOIKE Hiroto | 42-22 | OHNO Atsuko |
| KOIKE Hiroto | 48-16 | KOZUKA Katsuhiko |
| NAKAJIMA Tetsuya | 35-29 | KOIKE Hiroto |
| KASHIWAGI Mitsuyoshi | 37-27 | KOIKE Hiroto |
| KOIKE Hiroto | 56-08 | YONEDA Yutsuka |
| KOIKE Hiroto | 52-12 | HORIUCHI Keiko |
| TANIDA Kunihiko | 36-28 | KOIKE Hiroto |
| KOIKE Hiroto | 54-10 | SHUICHI Tsuda |
| KAMIO Mamoru | 42-22 | KOIKE Hiroto |
| KOIKE Hiroto | 43-21 | SANO Hirotaka |
| KOIKE Hiroto | 38-26 | KONAMI Hiroshi |
| YAMAGUCHI Yoshiaki | 64-00 | KOIKE Hiroto |
| TAKIZAWA Masaki | 47-17 | KOIKE Hiroto |
| TODA Tomoya | 45-19 | KOIKE Hiroto |
| KOIKE Hiroto | 53-11 | MURO Ryosuke |
| KOIKE Hiroto | won against | NOGAMI Yoshiyuki |
| TAKAGI Kazutaka | won against | KOIKE Hiroto |
| KOIKE Hiroto | won against | YAMAMOTO Kunihiro |
| KOIKE Hiroto | won against | OHUCHI Yasuhiro |
| KOIKE Hiroto | won against | TAKASAKI Shohei |
| YAMAMURA Yuuki | won against | KOIKE Hiroto |
| MURAKAMI Takeshi | 43-21 | KOIKE Hiroto |
| KOIKE Hiroto | 35-29 | MIYAKE Yasuo |
| KOMAGATA Masayuki | 43-21 | KOIKE Hiroto |
| KOIKE Hiroto | 47-17 | SHIMIZU Kouichi |
| KOIKE Hiroto | 35-29 | SATAKE Yosuke |
2004-12-11: 8_Shinagawa_open(Japan)
2004-11-13: 7_Shinagawa_open(Japan)
2004-09-11: 5_Shinagawa_open(Japan)
2004-09-05: 39th Kanagawa Open A(Japan)
2004-08-07: 4_Shinagawa_open(Japan)
2004-06-12: 2_Shinagawa_open(Japan)
2004-05-08: Kekka Open(Japan)
| NAKAJIMA Tetsuya | 55-09 | KOIKE Hiroto |
| KITAJIMA Hideki | 39-25 | KOIKE Hiroto |
| KOIKE Hiroto | 54-10 | MARUTA Osamu |
| KOIKE Hiroto | 47-17 | SATO Tetsuya |
| KURACHI Takayuki | 39-25 | KOIKE Hiroto |
| NODA Bintatsu | won against | KOIKE Hiroto |
| KOIKE Hiroto | 38-26 | SATO Tetsuya |
| NAKAJIMA Tetsuya | 52-12 | KOIKE Hiroto |
| NODA Bintatsu | 46-18 | KOIKE Hiroto |
| KOIKE Hiroto | 41-23 | NOGAMI Yoshiyuki |
| KOIKE Hiroto | 39-25 | TAKEDA Kyoko |
| KOIKE Hiroto | 35-29 | TAKASHIMA Ryoji |
| KOIKE Hiroto | 53-11 | OSAKI Takahiro |
| KOIKE Hiroto | 34-30 | MIYAOKA Tamaki |
| HOSHI Ryuichi | 49-15 | KOIKE Hiroto |
| KURACHI Takayuki | 42-22 | KOIKE Hiroto |
| KAWABATA Seiji | 39-25 | KOIKE Hiroto |
| KOIKE Hiroto | 49-15 | NAKAJIMA Yukari |
| SAITO Tauru | won against | KOIKE Hiroto |
| YAMAGUCHI Yoshiaki | won against | KOIKE Hiroto |
| KOIKE Hiroto | won against | KASHIWAGI Mitsuyoshi |
| KOIKE Hiroto | won against | YAGI Yusuke |
| KOIKE Hiroto | won against | OHMORI Keita |
| SATAKE Yosuke | won against | KOIKE Hiroto |
| NAKAJIMA Tetsuya | 45-19 | KOIKE Hiroto |
| KOIKE Hiroto | 38-26 | NOGAMI Yoshiyuki |
| KOIKE Hiroto | 33-31 | ENOMOTO Yasuhiro |
| SUKO Masayuki | 40-24 | KOIKE Hiroto |
| KOIKE Hiroto | 33-31 | HATAKEYAMA Tomohiro |
| KOIKE Hiroto | 43-21 | TATSUMI-IIJIMA Yukiko |
| FUJINO Shigeru | 40-24 | KOIKE Hiroto |
| SUZUKI Kazuya | 38-26 | KOIKE Hiroto |
| TATSUMI-IIJIMA Yukiko | 44-20 | KOIKE Hiroto |
| NAKANO Ryohei | 39-25 | KOIKE Hiroto |
| KOIKE Hiroto | 53-11 | AZUMA Keisuke |
| KOIKE Hiroto | 44-20 | IRABU Chohei |
| MATSUMOTO Gun | won against | KOIKE Hiroto |
| KOIKE Hiroto | won against | KAWAI Tokunao |
| KUDUO Akiko | won against | KOIKE Hiroto |
| ISHIZAKI Hikaru | won against | KOIKE Hiroto |
| KOIKE Hiroto | won against | ISHII Masami |
| KOIKE Hiroto | won against | SANO Erika |
| KOBAYASHI Ritsuko | won against | KOIKE Hiroto |