Ratings
2013-09-15: 148_Nagareyama_open(Japan)
| MURAKAMI Takeshi | 52-12 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 51-13 | YUUKI Kokujin |
| HADA Jun | 33-31 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 43-21 | OCHIAI Naofumi |
| HAIJIMA Mitsuya | 34-30 | KANDA Yoshihiro |
| WATANABE Keiichi | 46-18 | HAIJIMA Mitsuya |
2012-10-08: 142_Nagareyama_open(Japan)
2012-08-12: 141_Nagareyama_open(Japan)
2012-07-18: 40_All_Japan_open_champ(Japan)
2012-06-10: 40_All_Japan_Azumazeki_prelim(Japan)
2012-05-06: North_Kanto_expert_games_2012(Japan)
2012-05-04: 139_Nagareyama_open(Japan)
2012-04-08: 138_Nagareyama_open(Japan)
2012-03-18: 137_Nagareyama_open(Japan)
| HAIJIMA Mitsuya | 43-21 | NAGAMATSU Ryota |
| HAIJIMA Mitsuya | 45-19 | KANEKO Kodai |
| HAIJIMA Mitsuya | 34-30 | YAMAMOTO Kunihiro |
| HAIJIMA Mitsuya | 34-30 | KIYONOBU Kenta |
| SUEKUNI Makoto | 51-13 | HAIJIMA Mitsuya |
| TAKAHASHI Shiu | 40-24 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 50-14 | TAKAHASHI Shiu |
| KOBAYASHI Manabu | 40-24 | HAIJIMA Mitsuya |
| HISHIYAMA Yuichi | 42-22 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 34-30 | MURAKAMI Takeshi |
| ARAI Hiroyuki | 43-21 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 42-22 | TOMI Kazuko |
| HAIJIMA Mitsuya | won against | NAGAMATSU Ryota |
| ITAGAKI Kenichi | won against | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | won against | YOSHIKAWA Chiaki |
| HAIJIMA Mitsuya | won against | HISHIYAMA Yuichi |
| ASAHINA Satoshi | won against | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | won against | SATO Yutaka |
| HAIJIMA Mitsuya | 46-18 | KOBAYASHI Makoto |
| KOBAYASHI Kasa | 36-28 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 41-23 | KATORI Michihiro |
| OHNO Tomohiro | 38-26 | HAIJIMA Mitsuya |
| NARUMI Hisatoshi | 33-31 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 43-21 | HONMA Yosuke |
| KAMIKURA Daisuke | 36-28 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 40-24 | KURAHASHI Satoshi |
| NAGAMATSU Ryota | 36-28 | HAIJIMA Mitsuya |
| TAKAYAMA Akihiro | 35-29 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 43-21 | FUJITA Sou |
| HAIJIMA Mitsuya | 42-22 | MATSUMOTO Takaki |
| HAIJIMA Mitsuya | 47-17 | IZUMI Hiroyuki |
| HAIJIMA Mitsuya | 37-27 | HISHIYAMA Yuichi |
| FUNATSU Asuka | 53-11 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 34-30 | NAKAGAKI Horiuchi |
| HAIJIMA Mitsuya | 48-16 | SAWADA Takehiko |
| HAIJIMA Mitsuya | 34-30 | ITO Junya |
| HAYASAKA Toshie | 39-25 | HAIJIMA Mitsuya |
| FUNATSU Asuka | 36-28 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 41-23 | KOBAYASHI Manabu |
| HAIJIMA Mitsuya | 42-22 | WATANABE Keiichi |
| MITSUYA Nobuaki | 37-27 | HAIJIMA Mitsuya |
| TAKAHASHI Hisashi | 43-21 | HAIJIMA Mitsuya |
| KURIHARA Kyousuke | 48-16 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 39-25 | KURAHASHI Satoshi |
| TAYAMA Tsubasa | 40-24 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 49-15 | MIYAKOSHI Orita |
| HAIJIMA Mitsuya | 49-15 | HADA Jun |
| HAIJIMA Mitsuya | 52-12 | MATSUYA Shinpei |
2011-12-23: 136_Nagareyama_open(Japan)
2011-11-13: 135_Nagareyama_open(Japan)
2011-07-10: 132_Nagareyama_open(Japan)
2011-05-15: 131_Nagareyama_open(Japan)
2011-04-30: 130_Nagareyama_open(Japan)
| KAWAGUCHI Hayato | 34-30 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 35-29 | KURACHI Takayuki |
| HAIJIMA Mitsuya | 43-21 | GOTO Masahiro |
| NARUMI Hisatoshi | 43-21 | HAIJIMA Mitsuya |
| IKEDA Yuki | 36-28 | HAIJIMA Mitsuya |
| ISHIZAWA Naoki | 51-13 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 60-04 | YAMAKAWA Yasuo |
| TAKAHASHI Shiu | 39-25 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 51-13 | KINOSHITA Takao |
| HAIJIMA Mitsuya | 34-30 | NAKAMURA Yuta |
| HAIJIMA Mitsuya | 37-27 | NARUMI Hisatoshi |
| WATANABE Keiichi | 51-13 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 33-31 | KOBAYASHI Makoto |
| KANEKO Kodai | 38-26 | HAIJIMA Mitsuya |
| KOSHINO Kazuhiko | 46-18 | HAIJIMA Mitsuya |
| FUNATSU Asuka | 40-24 | HAIJIMA Mitsuya |
| IWAKURA Hiroaki | 43-21 | HAIJIMA Mitsuya |
| OKUNO Masanobu | 45-19 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 51-13 | OKUNO Masakazu |
| WATANABE Keiichi | 34-30 | HAIJIMA Mitsuya |
| NARUMI Hisatoshi | 43-21 | HAIJIMA Mitsuya |
| FUNATSU Asuka | 58-06 | HAIJIMA Mitsuya |
| HAIJIMA Mitsuya | 33-31 | SHIKUMI Kenji |
| HAIJIMA Mitsuya | 50-14 | NAKAMURA Shinjiro |
| KATSURA Hisatoshi | 37-27 | HAIJIMA Mitsuya |