Ratings
2007-11-04: 55th Kanagawa Open A(Japan)
| HIGUCHI Akio | won against | HIGUCHI Sayuki |
| HIGUCHI Akio | won against | KAWAGUCHI Hayato |
| ISHIKAWA Akira | won against | HIGUCHI Akio |
| GOTO Masahiro | won against | HIGUCHI Akio |
| SHIIKI Isamu | won against | HIGUCHI Akio |
| HIGUCHI Akio | won against | IZUMI Shinichi |
2006-03-26: 27_Meijin(Japan)
| NOBUKAWA Hiroki | 64-00 | HIGUCHI Akio |
| NODA Bintatsu | 64-00 | HIGUCHI Akio |
| HIGUCHI Akio | 64-00 | NAKAYAMA Takahiro |
| HAGARI Yusuke | 64-00 | HIGUCHI Akio |
| KANDA Yoshihiro | 64-00 | HIGUCHI Akio |
| YAMAGUCHI Yoshiaki | 64-00 | HIGUCHI Akio |
| HIGUCHI Akio | 64-00 | KOBAYASHI Makoto |
2003-05-10: Kekka Open(Japan)
2003-03-22: 24_Meijin(Japan)
| HIGUCHI Akio | won against | HASEGAWA Shin'Ichi |
| HAMADA Kikue | won against | HIGUCHI Akio |
| HIGUCHI Akio | won against | INAGAKI Yuuki |
| TAKEDA Kyoko | won against | HIGUCHI Akio |
| YASOJIMA Keiji | won against | HIGUCHI Akio |
| ODA Hiroshi | won against | HIGUCHI Akio |
| HIGUCHI Akio | won against | IWASAKI Natsumi |
| TANIDA Kunihiko | 46-18 | HIGUCHI Akio |
| KADOWAKI Toshiaki | 48-16 | HIGUCHI Akio |
| HIGUCHI Akio | 35-29 | OKUDA Tsuyoshi |
| HIGUCHI Akio | 40-24 | SATO Keisuke |
| KOMANO Tatsuya | 51-13 | HIGUCHI Akio |
| HIGUCHI Akio | 43-21 | YUSAKI Akihiro |
| HIGUCHI Akio | 43-21 | INOUE Tetsuya |