Ratings
MIZUNO Keigo (Japan)
Japanese name(s): 水野圭悟83 tournaments
446 results
Player ID: 6916
Rated T477 in Japan and T570 in Asia&Oceania&Africa and T709 in the World
Latest rating: 1776
446 results
Player ID: 6916
Rated T477 in Japan and T570 in Asia&Oceania&Africa and T709 in the World
Latest rating: 1776
2025-05-31: 3_Fujieda_open(Japan)
2025-02-16: 2025_Tokai_expert_games(Japan)
2025-01-04: 2025_New_year_conference(Japan)
| ARAKI Yasuyuki | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 39-25 | FUJITA Mahiro |
| MIZUNO Keigo | 33-31 | NAGAO Hiroto |
| ITO Azumi | 39-25 | MIZUNO Keigo |
| FUJITA Takeshi | 40-24 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | HASEGAWA Ryo |
| MIZUNO Keigo | 39-25 | FUJIMOTO Masaki |
| MIZUNO Keigo | 35-29 | NAGATSUKA Ibuki |
| MIYAGAWA Keigo | 52-12 | MIZUNO Keigo |
| ARAKI Yasuyuki | 42-22 | MIZUNO Keigo |
| OKUDAIRA Akio | 58-06 | MIZUNO Keigo |
| IWASAKI Masaaki | 38-26 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | FUJITA Toshiko |
| FURUYA Hiroyuki | 52-12 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | IWATA Kosuke |
| MIZUNO Keigo | 34-30 | FUJITA Mahiro |
| IWASAKI Masaaki | 40-24 | MIZUNO Keigo |
| ITO Azumi | 59-05 | MIZUNO Keigo |
2024-12-28: 2024_year_end_tournament(Japan)
2024-12-07: 16_Fukuroi_open(Japan)
2024-08-25: 1_Fuijieda_open(Japan)
2024-08-11: 2_Iwata_endurance_open_1(Japan)
2024-08-11: 2_Iwata_endurance_open_2(Japan)
2024-03-30: 10_Fukuroi_open(Japan)
2024-01-07: 99_Hamamatsu_meeting(Japan)
| MIZUNO Keigo | 54-10 | FUJITA Mahiro |
| KUZUHARA Makoto | 41-23 | MIZUNO Keigo |
| OHMORI Yasunori | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | KUZUHARA Shigeki |
| MIZUNO Keigo | 46-18 | NOMURA Mutsuyoshi |
| FURUYA Hiroyuki | 41-23 | MIZUNO Keigo |
| MATSUSHITA Shigehiro | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 54-10 | FUJITA Toshiko |
| MIZUNO Keigo | 53-11 | FUJIMOTO Masaki |
| MIZUNO Keigo | 39-25 | FUJITA Shouta |
| OKUDAIRA Fuyumi | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | KURITA Huzio |
| MIZUNO Keigo | 57-07 | IWASAKI Masaaki |
| FUJIMOTO Kenta | 53-11 | MIZUNO Keigo |
| MIZUNO Keigo | 43-21 | FUJITA Mahiro |
| MIZUNO Keigo | 56-08 | FUJIMOTO Masaki |
| IWATA Kosuke | 33-31 | MIZUNO Keigo |
| OHGA Nao | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | FURUYA Hiroyuki |
| TAKAGI Yosuke | 62-02 | MIZUNO Keigo |
| MIZUNO Keigo | 40-24 | FURUSAWA Yuuma |
| KAWAZOE Osuke | 37-27 | MIZUNO Keigo |
| HAGA Kazutoshi | 45-19 | MIZUNO Keigo |
| FURUYA Hiroyuki | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 57-07 | MATSUSHITA Shigehiro |
| OKUDAIRA Fuyumi | 51-13 | MIZUNO Keigo |
| MIZUNO Keigo | 53-11 | MUKAI Daisuke |
| FUJITA Takeshi | 39-25 | MIZUNO Keigo |
| OKINAWA Takuto | 48-16 | MIZUNO Keigo |
| MIZUNO Keigo | 43-21 | FUJITA Shouta |
| MATSUSHITA Shigehiro | 48-16 | MIZUNO Keigo |
| MIZUNO Keigo | 64-00 | NOGUCHI Kiyouko |
| FUJITA Takeshi | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | MATSUSHITA Shigeo |
2023-10-15: 7_Fukuroi_open(Japan)
2023-09-16: 6_Fukuroi_open(Japan)
2023-07-15: 5_Fukuroi_open(Japan)
| MUKAI Daisuke | 44-20 | MIZUNO Keigo |
| FUJIMOTO Masaki | 32-32 | MIZUNO Keigo |
| MIZUNO Keigo | 43-21 | FUJITA Mahiro |
| TOHIKA Ken | 36-28 | MIZUNO Keigo |
| MIZUNO Keigo | 45-19 | HIRASAWA Soryuu |
| FUJIMOTO Kenta | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | FUJITA Shouta |
| MIZUNO Keigo | 40-24 | FUJITA Toshiko |
| TOHIKA Ken | 36-28 | MIZUNO Keigo |
| MIZUNO Keigo | 51-13 | FURUYA Hiroyuki |
| FUJIMOTO Kenta | 46-18 | MIZUNO Keigo |
| OKINAWA Takuto | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 56-08 | FUJITA Mahiro |
| MIZUNO Keigo | 37-27 | FUJIMOTO Masaki |
2020-02-22: 3_Fukuroi_open(Japan)
2020-01-26: 97_Hamamatsu_meeting(Japan)
| YUKA Takaaki | 42-22 | MIZUNO Keigo |
| SHIOSAWA Kousuke | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 61-03 | FUJITA Toshiko |
| MIZUNO Keigo | 44-20 | TAGUCHI Amane |
| FUJITA Takeshi | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | IWASAKI Masaaki |
| MIZUNO Keigo | 43-21 | YUKA Takaaki |
| MIZUNO Keigo | 46-18 | WATANABE Osuke |
| MIZUNO Keigo | 35-29 | FUJITA Koichi |
| ARAKI Yasuyuki | 40-24 | MIZUNO Keigo |
2019-12-28: 96_Hamamatsu_meeting(Japan)
2019-09-23: 95_Hamamatsu_meeting(Japan)
2019-08-24: 94_Hamamatsu_meeting(Japan)
2019-07-15: 93_Hamamatsu_meeting(Japan)
2019-06-22: 92_Hamamatsu_meeting(Japan)
2019-05-04: 49_blue_sky_conference(Japan)
2019-03-30: 91_Hamamatsu_meeting(Japan)
| MIZUNO Keigo | 34-30 | YUKA Takaaki |
| MIZUNO Keigo | 49-15 | HASEGAWA Toshi |
| MIZUNO Keigo | 41-23 | YOSHIKAWA Chiaki |
| OKUDAIRA Fuyumi | 46-18 | MIZUNO Keigo |
| MIZUNO Keigo | 37-27 | FUJIMOTO Kenta |
| MIZUNO Keigo | 43-21 | MATSUMOTO Sora |
| MIZUNO Keigo | 48-16 | TOMIBE Hiroshi |
| FUJITA Koichi | 38-26 | MIZUNO Keigo |
| MATSUMOTO Kuichi | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | HIDEKAZU Hiromichi |
| MIZUNO Keigo | 34-30 | MATSUMOTO Sora |
| MIZUNO Keigo | 44-20 | YUKA Takaaki |
| MIZUNO Keigo | 40-24 | FUJIMOTO Kenta |
| SANO Hirotaka | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 59-05 | NAKANISHI Tsugi |
| MIZUNO Keigo | 35-29 | IWASAKI Masaaki |
| MATSUMOTO Riku | 48-16 | MIZUNO Keigo |
| TAKAHASHI Ya | 40-24 | MIZUNO Keigo |
| ARAKI Yasuyuki | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 53-11 | NOGUCHI Kiyouko |
| MATSUMOTO Riku | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | MATSUMOTO Kuichi |
| MIZUNO Keigo | 38-26 | MATSUMOTO Sora |
| SANO Hirotaka | 44-20 | MIZUNO Keigo |
| MIZUNO Keigo | 54-10 | FUJITA Koichi |
| OKUDAIRA Fuyumi | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 35-29 | OISHI Hiroto |
| MIZUNO Keigo | 57-07 | NOGUCHI Kiyouko |
| OHMORI Keita | 44-20 | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | KAWATA Tetsu |
| SHIOSAWA Kousuke | 40-24 | MIZUNO Keigo |
| SUZUKI Takahiro | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | OTA Tokiko |
| MIZUNO Keigo | 40-24 | MATSUMOTO Kuichi |
| OHTSUBO Hidetaka | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 39-25 | FUJITA Koichi |
| SHIOSAWA Kousuke | 51-13 | MIZUNO Keigo |
| FUJITA Takeshi | 45-19 | MIZUNO Keigo |
| KATOKO Isamu | 52-12 | MIZUNO Keigo |
2018-08-11: 90_Hamamatsu_meeting(Japan)
| MIZUNO Keigo | 49-15 | UKAI Kana |
| MIZUNO Keigo | 37-27 | ITO Azumi |
| MIZUNO Keigo | 33-31 | HASEGAWA Toshi |
| FUJITA Takeshi | 36-28 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | ISOBE Mikio |
2017-08-12: 89_Hamamatsu_meeting(Japan)
| ARAKI Yasuyuki | 46-18 | MIZUNO Keigo |
| MIZUNO Keigo | 51-13 | EITANI Houshou |
| FUJITA Takeshi | 49-15 | MIZUNO Keigo |
| MIZUNO Keigo | 51-13 | ABE Yoichi |
| FUJITA Koichi | 36-28 | MIZUNO Keigo |
| YUKA Takaaki | 49-15 | MIZUNO Keigo |
2016-08-11: 88_Hamamatsu_meeting(Japan)
2016-02-06: 87_Hamamatsu_meeting(Japan)
| OHTSUBO Hidetaka | 46-18 | MIZUNO Keigo |
| FUJITA Koichi | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 54-10 | YOSHIKAWA Chiaki |
| MIZUNO Keigo | 53-11 | KAWAMURA Toyoto |
| TSUCHIYA Ryosuke | 43-21 | MIZUNO Keigo |
| YOSHIYUKI Suganuma | 44-20 | MIZUNO Keigo |
| TAKESHIMA Sakihiro | 39-25 | MIZUNO Keigo |
| KAWAMURA Yoshihiro | 41-23 | MIZUNO Keigo |
| FUJITA Koichi | 50-14 | MIZUNO Keigo |
2015-09-22: 1_Iwata_endurance_open_2(Japan)
2015-04-26: 45_Blue_Sky_conference(Japan)
2015-03-29: 85_Hamamatsu_meeting(Japan)
2015-03-08: 2_Shizuoka_open(Japan)
| TOMOTA Yusuke | 46-18 | MIZUNO Keigo |
| YOSHIYUKI Suganuma | 42-22 | MIZUNO Keigo |
| MIZUNO Keigo | 57-07 | FUJITA Koichi |
| KOZUKA Katsuhiko | 37-27 | MIZUNO Keigo |
| SUZUKI Takao | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | NAMIKI Kazunari |
| MIZUNO Keigo | 58-06 | USHIRO Hideaki |
| OHMORI Keita | 33-31 | MIZUNO Keigo |
| TOMOTA Yusuke | 53-11 | MIZUNO Keigo |
| KAWAMURA Yoshihiro | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | ARIBA Naoki |
| MIZUNO Keigo | 49-15 | KAWAMURA Yoshihiro |
| IWASAKI Masaaki | 51-13 | MIZUNO Keigo |
| MIZUNO Keigo | 34-30 | TANAKA Atsushi |
| MIZUNO Keigo | 53-11 | HASEGAWA Toshi |
| TAKAGI Yosuke | 55-09 | MIZUNO Keigo |
| MIZUNO Keigo | 39-25 | OZAKI Yoshito |
| MIZUNO Keigo | 33-31 | SANO Hirotaka |
| TOMOTA Yusuke | 48-16 | MIZUNO Keigo |
| MIZUNO Keigo | 46-18 | TAKESHIMA Sakihiro |
| MIZUNO Keigo | 40-24 | NAGAYA Toshiko |
2014-08-17: 84_Hamamatsu_meeting(Japan)
2014-04-27: 44_Blue_sky_conference(Japan)
2014-01-04: 82_Hamamatsu_meeting(Japan)
| SANO Hirotaka | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | FUJITA Koichi |
| HASEGAWA Toshi | 34-30 | MIZUNO Keigo |
| MUKAI Daisuke | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 54-10 | NOGUCHI Kiyouko |
| MIZUNO Keigo | 51-13 | NAKIRI Tadao |
| ARAKI Yasuyuki | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 43-21 | TAKESHIMA Sakihiro |
| IWASAKI Masaaki | 44-20 | MIZUNO Keigo |
| KOUKAWA Satoshi | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 39-25 | KAWAMURA Yoshihiro |
| NAGAO Hiroto | 37-27 | MIZUNO Keigo |
| HASEGAWA Toshi | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | OZAKI Yoshito |
| KAWAMURA Toyoto | 51-13 | MIZUNO Keigo |
2013-05-06: 43_blue_sky_conference(Japan)
2013-04-07: 80_Hamamatsu_meeting(Japan)
2013-01-20: 2013_Shizuoka_expert_games(Japan)
2013-01-06: 79_Hamamatsu_meeting(Japan)
| MIZUNO Keigo | 41-23 | SATO Endo |
| MIZUNO Keigo | 48-16 | FUJITA Koichi |
| ARAKI Yasuyuki | 58-06 | MIZUNO Keigo |
| WATASE Seijin | 56-08 | MIZUNO Keigo |
| MIZUNO Keigo | 57-07 | OTA You |
| TAYAMA Tsubasa | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 59-05 | HASEGAWA Toshi |
| SANO Hirotaka | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 48-16 | OYAMA Kazuma |
| MIZUNO Keigo | 41-23 | IWASAKI Masaaki |
| MIZUNO Keigo | 52-12 | SUGIYAMA Mitsuaki |
| TAKAGI Yosuke | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 35-29 | IWAMOTO Yoshimi |
| ENOMOTO Hiroyuki | 48-16 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | HASEGAWA Toshi |
| NAGAO Hiroto | 40-24 | MIZUNO Keigo |
| KOBAYASHI Manabu | 53-11 | MIZUNO Keigo |
| MIZUNO Keigo | 39-25 | OTA Tokiko |
| IWASAKI Masaaki | 44-20 | MIZUNO Keigo |
2012-08-12: 78_Hamamatsu_meeting(Japan)
2012-06-24: 40_All_Japan_Tokai_prellim(Japan)
2012-06-10: 40_All_Japan_Hamamatsu_prelim(Japan)
2012-05-06: 42 blue sky conference(Japan)
2012-04-15: Shizuoka championship 2012(Japan)
2012-02-05: 2012_Shizuoka_expert_game(Japan)
2012-01-15: 76_Hamamatsu_meeting(Japan)
| MIYASATO Shiyoko | 33-31 | MIZUNO Keigo |
| SANO Hirotaka | 49-15 | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | SHIHO Kazuhiro |
| MIZUNO Keigo | 42-22 | KAWAMURA Yoshihiro |
| IWASAKI Masaaki | 48-16 | MIZUNO Keigo |
| MIZUNO Keigo | 53-11 | HASEGAWA Toshi |
| MIZUNO Keigo | 44-20 | SUGIYAMA Mitsuaki |
| FUJITA Takeshi | won against | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | IWAMOTO Yoshimi |
| TANAKA Atsushi | 53-11 | MIZUNO Keigo |
| MIZUNO Keigo | won against | KURITA Huzio |
| MUKAI Daisuke | 51-13 | MIZUNO Keigo |
| SANO Hirotaka | 43-21 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | OZAKI Yoshito |
| FUJITA Takeshi | 52-12 | MIZUNO Keigo |
| MIZUNO Keigo | 43-21 | FUJITA Koichi |
| MIZUNO Keigo | 44-20 | AONO Daigo |
| MIZUNO Keigo | 36-28 | OKABE Michiaki |
| MIZUNO Keigo | 41-23 | SANO Hirotaka |
| TAYAMA Tsubasa | 51-13 | MIZUNO Keigo |
| KOBAYASHI Manabu | 44-20 | MIZUNO Keigo |
| MABUCHI Yuta | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 57-07 | IWAMOTO Yoshimi |
| MIZUNO Keigo | 48-16 | OKAMURA Etsuko |
| ENOMOTO Hiroyuki | 54-10 | MIZUNO Keigo |
| MIZUNO Keigo | 51-13 | HASEGAWA Toshi |
| IWAMOTO Yoshimi | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 34-30 | SATO Masuo |
| IWASAKI Masaaki | 38-26 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | SANO Hirotaka |
| NAMIKI Kazunari | 51-13 | MIZUNO Keigo |
| TANAKA Atsushi | 38-26 | MIZUNO Keigo |
| MIZUNO Keigo | 60-04 | OKABE Michiaki |
| ARAKI Yasuyuki | 47-17 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | TATEISHI Katsuhiro |
| NAGAYA Toshiko | 43-21 | MIZUNO Keigo |
| MIZUNO Keigo | 35-29 | HASEGAWA Toshi |
| MIZUNO Keigo | 45-19 | SATO Endo |
| TANAKA Atsushi | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | OTA Tokiko |
2011-12-04: year_forgetting_conf_2011(Japan)
2011-08-14: 75_Hamamatsu_meeting(Japan)
2011-06-12: 39_Japan_champ_Tokai_prelim(Japan)
2011-05-04: 34_Nagoya_new_star_games(Japan)
2011-05-01: 41 blue sky conference(Japan)
2011-04-17: Shizuoka championship 2011(Japan)
2011-04-03: 74_Hamamatsu_meeting(Japan)
2011-02-13: 2001_Shizuoka_expert_game(Japan)
2011-01-09: Hamamatsu_open(Japan)
| MUKAI Daisuke | 36-28 | MIZUNO Keigo |
| MIZUNO Keigo | 46-18 | NAGAYA Toshiko |
| ARAKI Yasuyuki | 47-17 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | HASEGAWA Toshi |
| IWASAKI Masaaki | 64-00 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | NAGAYA Toshiko |
| KURODA Takuji | 53-11 | MIZUNO Keigo |
| SANO Hirotaka | 38-26 | MIZUNO Keigo |
| IWASAKI Masaaki | 56-08 | MIZUNO Keigo |
| TANAKA Atsushi | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 40-24 | YOSHIKAWA Chiaki |
| MUKAI Daisuke | 40-24 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | HASEGAWA Toshi |
| MIZUNO Keigo | won against | TAKIGAWA Mitsuaki |
| ARAKI Yasuyuki | 50-14 | MIZUNO Keigo |
| FUJITA Takeshi | 39-25 | MIZUNO Keigo |
| TSUKAMOTO Hiroaki | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | ARIMOTO Hironori |
| ANDO Junya | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 49-15 | KASHIWAGI Tomohiro |
| KUDOU Keita | 45-19 | MIZUNO Keigo |
| OKURA Hiroya | 35-29 | MIZUNO Keigo |
| SATO Endo | 33-31 | MIZUNO Keigo |
| KAGEYAMA Toshi | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | OTA You |
| TAKIGAWA Mitsuaki | 49-15 | MIZUNO Keigo |
| KOBAYASHI Manabu | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 48-16 | SATO Genji |
| MIZUNO Keigo | 50-14 | IWAMOTO Yoshimi |
| SUGIYAMA Mitsuaki | 47-17 | MIZUNO Keigo |
| MUKAI Daisuke | 43-21 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | IWASAKI Masaaki |
| MIZUNO Keigo | 39-25 | SATO Masuo |
| MIZUNO Keigo | 55-09 | HASEGAWA Toshi |
| TOMOTA Yusuke | 61-03 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | NAGAYA Toshiko |
| TATEISHI Katsuhiro | 64-00 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | SUZUKI Takahiro |
| MIZUNO Keigo | 38-26 | MUKAI Daisuke |
| MIZUNO Keigo | 37-27 | IKUMI Masanobua |
| NAMIKI Kazunari | 41-23 | MIZUNO Keigo |
| TAKIGAWA Mitsuaki | 45-19 | MIZUNO Keigo |
| SANO Hirotaka | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 48-16 | NAKAO Kodai |
| TATEISHI Katsuhiro | 34-30 | MIZUNO Keigo |
| OTA Tokiko | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 45-19 | ITO Chihiro |
| TANAKA Atsushi | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 49-15 | YUKA Takaaki |
| IZUMI Shinichi | 43-21 | MIZUNO Keigo |
2010-12-19: 60_three_river(Japan)
2010-11-21: year_forgetting_conf_2010(Japan)
2010-08-15: 72_Hamamatsu_meeting(Japan)
2010-07-18: CH_Japan(Japan)
2010-06-13: 38_Japan_Champ_Tokai_prelim(Japan)
2010-05-03: 22_Kyoto_open(Japan)
2010-04-04: 71_Hamamatsu_meeting(Japan)
2010-03-21: 31_Meijin(Japan)
2010-02-14: 31_Shizouka_expert_game(Japan)
2010-01-24: 2010_Hamamatsu_open(Japan)
| MIYASATO Shiyoko | 35-29 | MIZUNO Keigo |
| TANAKA Atsushi | 52-12 | MIZUNO Keigo |
| ESAKI Yuta | 38-26 | MIZUNO Keigo |
| KASHIWAGI Tomohiro | 33-31 | MIZUNO Keigo |
| SHIMIZU Hidekazu | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 58-06 | SHIBUYA Motoki |
| MIZUNO Keigo | 48-16 | YOSHINO Nobuko |
| OHMORI Keita | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | TATEISHI Katsuhiro |
| IWASAKI Masaaki | 47-17 | MIZUNO Keigo |
| MIZUNO Keigo | 41-23 | SANO Hirotaka |
| MIZUNO Keigo | 44-20 | TATEISHI Katsuhiro |
| FUJITA Takeshi | 41-23 | MIZUNO Keigo |
| TOMOTA Yusuke | 54-10 | MIZUNO Keigo |
| MIZUNO Keigo | 45-19 | MUKAI Daisuke |
| ARAKI Yasuyuki | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | won against | IDE Akiko |
| MIZUNO Keigo | won against | KOSHINO Kazuhiko |
| KIYONOBU Kenta | won against | MIZUNO Keigo |
| HANEDA Kenichirou | won against | MIZUNO Keigo |
| KATO Yuzuru | won against | MIZUNO Keigo |
| MORI Takahiro | won against | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | ARAKI Yasuyuki |
| TOKUSHIMA Akira | won against | MIZUNO Keigo |
| MIZUNO Keigo | 38-26 | SATO Masuo |
| MIZUNO Keigo | 50-14 | FUJIWARA Toshi Masa |
| OHMORI Keita | 42-22 | MIZUNO Keigo |
| NAMIKI Kazunari | 49-15 | MIZUNO Keigo |
| MATSUMOTO Hiroshi | 45-19 | MIZUNO Keigo |
| OSHIMA Yusuke | 45-19 | MIZUNO Keigo |
| MIZUNO Keigo | 45-19 | KUMATSU Umehara |
| MIZUNO Keigo | 33-31 | TOKI Hidenobu |
| YOSHIDA Ryota | 57-07 | MIZUNO Keigo |
| FUNAKOSHI Shogo | 41-23 | MIZUNO Keigo |
| NAKAGAKI Horiuchi | 64-00 | MIZUNO Keigo |
| TANAKA Atsushi | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 60-04 | TAKESHIMA Sakihiro |
| NAGAO Hiroto | 47-17 | MIZUNO Keigo |
| KAWAMURA Toyoto | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 45-19 | SATO Endo |
| KURITA Seiya | 64-00 | MIZUNO Keigo |
| KOBAYASHI Oh | 64-00 | MIZUNO Keigo |
| OKUDA Tsuyoshi | 64-00 | MIZUNO Keigo |
| SATAKE Yosuke | 64-00 | MIZUNO Keigo |
| MIZUNO Keigo | 64-00 | KANAZAWA Kota |
| MIZUNO Keigo | 64-00 | WATANABE Keiichi |
| TOMOTA Yusuke | 35-29 | MIZUNO Keigo |
| OZAKI Yoshito | 34-30 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | KOBAYASHI Tome |
| TAKIGAWA Mitsuaki | 36-28 | MIZUNO Keigo |
| NAGAYA Toshiko | 45-19 | MIZUNO Keigo |
| ENOMOTO Hiroyuki | 50-14 | MIZUNO Keigo |
| MIZUNO Keigo | 35-29 | OTA Tokiko |
| MIZUNO Keigo | 43-21 | SATO Endo |
| FUJITA Koichi | 41-23 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | YUKA Takaaki |
| MIZUNO Keigo | 33-31 | TATEISHI Katsuhiro |
2009-12-20: 70_Hamamatsu_meeting(Japan)
2009-11-29: year_forgetting_conf_2009(Japan)
2009-08-16: 69_Hamamatsu_meeting(Japan)
2009-06-07: 37_Japanese_Champ_Tokai_prelim(Japan)
2009-05-10: 39 blue sky conference(Japan)
2009-04-12: Shizuoka Championship 2009(Japan)
2009-03-28: 30_Meijin_prelim(Japan)
2009-03-08: 68_Hamamatsu_Open_A(Japan)
2009-03-01: 4_Gifu_Open(Japan)
| MIZUNO Keigo | 41-23 | HASEGAWA Toshi |
| TANAKA Atsushi | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 37-27 | FUJITA Koichi |
| MIZUNO Keigo | 39-25 | NAGAYA Toshiko |
| TOMOTA Yusuke | 39-25 | MIZUNO Keigo |
| OGURI Kenji | 39-25 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | NAGAO Hiroto |
| MIZUNO Keigo | 44-20 | OKABE Michiaki |
| MIZUNO Keigo | 46-18 | HASEGAWA Toshi |
| MIZUNO Keigo | 37-27 | IZUMI Shinichi |
| NAGAO Hiroto | 44-20 | MIZUNO Keigo |
| YAMADA Takeo | 46-18 | MIZUNO Keigo |
| MIZUNO Keigo | 42-22 | OKAZU Hiroaki |
| MIZUNO Keigo | 41-23 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 36-28 | MIZUNO Keigo |
| SANO Hirotaka | 40-24 | MIZUNO Keigo |
| OGURI Kenji | 58-06 | MIZUNO Keigo |
| MIZUNO Keigo | 54-10 | MATSUMOTO Shigeyuki |
| MIZUNO Keigo | 37-27 | TANAKA Atsushi |
| FUJITA Takeshi | 36-28 | MIZUNO Keigo |
| OKAZU Hiroaki | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | SATO Genji |
| ENOMOTO Hiroyuki | 45-19 | MIZUNO Keigo |
| OKAZU Hiroaki | 36-28 | MIZUNO Keigo |
| MIZUNO Keigo | 46-18 | KAWAMURA Yoshihiro |
| MIZUNO Keigo | 44-20 | SATO Endo |
| SANO Hirotaka | 34-30 | MIZUNO Keigo |
| TAKIGAWA Mitsuaki | 35-29 | MIZUNO Keigo |
| MIZUNO Keigo | 52-12 | HASEGAWA Toshi |
| OGURI Kenji | 53-11 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | KANAZAWA Kota |
| IWATA Hiroyuki | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | TOSAKA Hideki |
| SHIROTA Yasuto | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | ARAKI Kentaro |
| OKAMOTO Harumi | 33-31 | MIZUNO Keigo |
| MIZUNO Keigo | 44-20 | HASEGAWA Toshi |
| NAGAO Hiroto | 42-22 | MIZUNO Keigo |
| TOMOTA Yusuke | 40-24 | MIZUNO Keigo |
| MIZUNO Keigo | 46-18 | FUJITA Koichi |
| IZUMI Shinichi | 45-19 | MIZUNO Keigo |
| ESAKI Yuta | 48-16 | MIZUNO Keigo |
| MATSUMOTO Hiroyuki | 47-17 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | INAGAKI Shinobu |
| MIZUNO Keigo | 37-27 | YAMAKITA Daisuke |
| NAKAMORI Chiaki | 63-01 | MIZUNO Keigo |
| MIZUNO Keigo | 36-28 | YAMADA Takeo |
| HAGA Kazutoshi | 47-17 | MIZUNO Keigo |
2008-08-17: 66_Hamamatsu_meeting_A(Japan)
2008-04-27: 38 blue sky conference(Japan)
2008-03-16: 38th Mito meeting(Japan)
2008-02-24: 29th Shizuoka expert game(Japan)
2008-02-03: New Year othello conference(Japan)
2008-01-20: 1st Kanayama opening(Japan)
| HAGA Kazutoshi | 64-00 | MIZUNO Keigo |
| KURODA Takuji | 43-21 | MIZUNO Keigo |
| TOMOTA Yusuke | 38-26 | MIZUNO Keigo |
| MIZUNO Keigo | 33-31 | OZAKI Yoshito |
| MIZUNO Keigo | 46-18 | MUKAI Daisuke |
| FUJITA Takeshi | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | SHINJI Takashi |
| MIZUNO Keigo | won against | OTA Tokiko |
| MIZUNO Keigo | won against | MIYASATO Shiyoko |
| KURITA Shigenari | won against | MIZUNO Keigo |
| MIZUNO Keigo | lost to | SAKABA Shin |
| MIZUNO Keigo | won against | KUWANA Miki |
| KOBAYASHI Manabu | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | OHUCHI Syou |
| MIZUNO Keigo | lost to | OHUCHI Rena |
| OGURI Kenji | lost to | MIZUNO Keigo |
| MIZUNO Keigo | won against | NAMIKI Kazunari |
| ARAKI Yasuyuki | won against | MIZUNO Keigo |
| SANO Hirotaka | lost to | MIZUNO Keigo |
| TSUNODA Keita | won against | MIZUNO Keigo |
| TANAKA Atsushi | won against | MIZUNO Keigo |
| TSUNODA Keita | won against | MIZUNO Keigo |
| MIZUNO Keigo | lost to | KOBAYASHI Tamami |
| MIZUNO Keigo | won against | KATSUMATA Aoe |
| NAMIKI Kazunari | won against | MIZUNO Keigo |
| KITAJIMA Yutsuka | lost to | MIZUNO Keigo |
| NAKAMORI Chiaki | won against | MIZUNO Keigo |
| INOUE Taisuke | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | TAKAHASHI Kikuchi |
| TOKUSHIMA Akira | won against | MIZUNO Keigo |
| YOSHIYUKI Suganuma | won against | MIZUNO Keigo |
2007-12-16: Year End Conference(Japan)
| MIZUNO Keigo | lost to | SUZUKI Toyoharu |
| SANO Hirotaka | lost to | MIZUNO Keigo |
| IWAMOTO Yoshimi | won against | MIZUNO Keigo |
| MAEZIMA Tomiko | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | KOBAYASHI Tamami |
2006-12-10: year_forgetting_conf_2006(Japan)
2006-03-26: 27_Meijin(Japan)
| ARAKI Yasuyuki | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | YOSHINO Nobuko |
| MIZUNO Keigo | won against | OKABE Michiaki |
| SUGIYAMA Akemi | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | SHIHO Ikuko |
| OKAMOTO Junya | 64-00 | MIZUNO Keigo |
| MIZUNO Keigo | 64-00 | OBAMA Satomi |
| KOSHINO Kazuhiko | 64-00 | MIZUNO Keigo |
| WATANABE Hajime | 64-00 | MIZUNO Keigo |
| OHUCHI Yasuhiro | 64-00 | MIZUNO Keigo |
| YAMAMOTO Kunihiro | 64-00 | MIZUNO Keigo |
2005-04-09: 2nd Three River(Japan)
| TSUKAMOTO Hiroaki | won against | MIZUNO Keigo |
| TAKEDA Kyoko | won against | MIZUNO Keigo |
| TAKANO-TSUJI Toshimi | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | MAKINO Hiroko |
| SYUGAME Junki | won against | MIZUNO Keigo |
| SUGIYAMA Toshio | won against | MIZUNO Keigo |
| MIZUNO Keigo | won against | TAKEDA Hajime |
2004-03-27: 25_Meijin_open(Japan)
| KURODA Takuji | 42-22 | MIZUNO Keigo |
| HOSOKAWA Atsushi | 53-11 | MIZUNO Keigo |
| MIZUNO Keigo | 50-14 | TAMANOI Hidenori |
| UNO Toshihiro | 40-24 | MIZUNO Keigo |
| KOBAYASHI Koji | 49-15 | MIZUNO Keigo |
| TANAKA Kazuo | 37-27 | MIZUNO Keigo |
| MIZUNO Keigo | 47-17 | FUJII Yoshihisa |