Ratings
HATTORI Kouki (Japan)
Japanese name(s): 服部光輝65 tournaments
391 results
Player ID: 14510
Rated T137 in Japan and T158 in Asia&Oceania&Africa and T178 in the World
Latest rating: 2160
391 results
Player ID: 14510
Rated T137 in Japan and T158 in Asia&Oceania&Africa and T178 in the World
Latest rating: 2160
2025-09-28: 65_Nagoya_open(Japan)
2025-08-17: 51_Inuyama_open(Japan)
2025-07-13: 18_Ouza_Sen(Japan)
2025-06-28: 18_Fukuroi_open(Japan)
2025-06-01: 2_Minoo_open(Japan)
2025-05-06: 35_Kyoto_open(Japan)
2025-03-16: 45_Meijin(Japan)
2025-03-01: 50_Inuyama_open(Japan)
2025-02-02: 2025_Chubu_expert_games(Japan)
2025-02-02: 2025_Chubu_expert_games_final(Japan)
2025-01-18: 3_Iwata_endurance_1(Japan)
2025-01-18: 3_Iwata_endurance_2(Japan)
| UNO Toshihiro | 43-21 | HATTORI Kouki |
| MIYAGAWA Keigo | 48-16 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | IDATE Kai |
| HATTORI Kouki | 52-12 | NAKANE Ryunosuke |
| HATTORI Kouki | 64-00 | KOYANAGI Shinpei |
| KOSAI Satomu | 46-18 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | KOSAI Satomu |
| HATTORI Kouki | 52-12 | ENDO Yoshiaki |
| KOMATSU Kanaharu | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 39-25 | KITATANI Yuuma |
| HATTORI Kouki | 37-27 | IDATE Kai |
| TAKAGI Yosuke | 33-31 | HATTORI Kouki |
| KITATANI Yuuma | 32-32 | HATTORI Kouki |
| HATTORI Kouki | won against | KURACHI Takayuki |
| OHNO Tomohiro | won against | HATTORI Kouki |
| FUJIMOTO Kenta | won against | HATTORI Kouki |
| ONO Taiga | won against | HATTORI Kouki |
| SASAKI Yasuyuki | won against | HATTORI Kouki |
| HATTORI Kouki | won against | HASEGAWA Takeshi |
| SAEKI Tsubasa | 39-25 | HATTORI Kouki |
| ARAKI Yasuyuki | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 62-02 | NAKAMURA Kiyomasa |
| HATTORI Kouki | 32-32 | IWASAKI Masaaki |
| HATTORI Kouki | 38-26 | MIURA Hideki |
| HATTORI Kouki | 39-25 | HARABAYASHI Ryo |
| HATTORI Kouki | 43-21 | MIYAGAWA Keigo |
| HATTORI Kouki | 61-03 | MAENO Sakuchika |
| HATTORI Kouki | 35-29 | MIYAZAKI Yuji |
| YOKOMIZO Keita | 48-16 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | NOMURA Soryo |
| HATTORI Kouki | 37-27 | SAEKI Tsubasa |
| HATTORI Kouki | 41-23 | MATSUDA Ibuki |
| HATTORI Kouki | 51-13 | NOMURA Yuki |
| SANO Yoko | 43-21 | HATTORI Kouki |
| HASEGAWA Takeshi | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 45-19 | YOSHIYUKI Suganuma |
| HATTORI Kouki | 46-18 | UEMURA Kou |
| HATTORI Kouki | 37-27 | KAGAWA Yoichi |
| HATTORI Kouki | 42-22 | KOMATSU Kanaharu |
| HATTORI Kouki | won against | NAGASHIMA Yoshitaka |
| SHIROTA Yasuto | won against | HATTORI Kouki |
| NAGATA Kirima | won against | HATTORI Kouki |
| KIKUCHI Seiten | won against | HATTORI Kouki |
| HATTORI Kouki | won against | IZURA Daisei |
| IWASHINA Ryosuke | won against | HATTORI Kouki |
| HATTORI Kouki | won against | MEISHO Shigeki |
| HATTORI Kouki | 41-23 | OKUDAIRA Akio |
| NOMURA Soryo | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 37-27 | ITO Minori |
| ITO Takeshi | 47-17 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | TOKUDA Naoya |
| HATTORI Kouki | 48-16 | TSUKAMOTO Hiroaki |
| HATTORI Kouki | 42-22 | ITO Takeshi |
| HATTORI Kouki | 40-24 | KOGA Shingo |
| OHIKE Yoshinori | 40-24 | HATTORI Kouki |
| HATTORI Kouki | 64-00 | IMAGAWA Maki |
| HATTORI Kouki | 42-22 | YOSHIYUKI Suganuma |
| HATTORI Kouki | 45-19 | KAWAZOE Osuke |
| HATTORI Kouki | 45-19 | OKUDAIRA Akio |
| HATTORI Kouki | 32-32 | OHIKE Yoshinori |
| HATTORI Kouki | 50-14 | FUJITA Toshiko |
| HATTORI Kouki | 36-28 | KAWAZOE Osuke |
| KOMATSU Kanaharu | 32-32 | HATTORI Kouki |
| HATTORI Kouki | 49-15 | ARAKI Yasuyuki |
| HATTORI Kouki | 42-22 | FUJIMOTO Kenta |
| KOMATSU Kanaharu | 32-32 | HATTORI Kouki |
| FUJITA Takeshi | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 52-12 | FUJITA Mahiro |
| HATTORI Kouki | 32-32 | KANEKO Hikaru |
| HATTORI Kouki | 45-19 | ARAKI Yasuyuki |
2024-12-28: 2024_year_end_tournament(Japan)
2024-12-01: 63_Nagoya_open(Japan)
2024-10-20: 14_Fukuroi_open(Japan)
2024-10-12: 33_Kansai_championship_A(Japan)
2024-09-28: 62_Nagoya_open(Japan)
2024-09-08: 50_All_Japan_championship(Japan)
2024-08-17: 28_Kyoto_standings_A(Japan)
2024-06-30: 50_All_Japan_Chubu_prelim(Japan)
2024-06-15: 11_Fukuroi_open(Japan)
2024-06-02: 1_Fukui_open(Japan)
2024-05-19: 34_Hiroshima_open(Japan)
2024-05-11: 158_Shinagawa_open(Japan)
2024-05-05: 49_Inuyama_open(Japan)
2024-04-28: 5_Osaka_endurance_open_1(Japan)
2024-04-28: 5_Osaka_endurance_open_2(Japan)
2024-03-17: 44_Meijin(Japan)
2024-03-16: 44_Meijin_students(Japan)
2024-03-03: 26_Kyoto_standings_A(Japan)
2024-02-18: 9_Fukuroi_open(Japan)
2024-02-10: 2024_Chubu_expert_games(Japan)
2024-02-10: 2024_Chubu_expert_games_final(Japan)
2024-01-06: 1_Osaka_Shoryu_match(Japan)
| HASEGAWA Takeshi | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | OKUDAIRA Fuyumi |
| HATTORI Kouki | 42-22 | IWATA Kosuke |
| NOMURA Soryo | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | OKUDAIRA Akio |
| HATTORI Kouki | 39-25 | OHMORI Yasunori |
| KAWAZOE Osuke | 47-17 | HATTORI Kouki |
| HATTORI Kouki | 57-07 | KITATANI Yuuma |
| HATTORI Kouki | 35-29 | OTA Koki |
| HATTORI Kouki | 36-28 | MATSUMOTO Hiroyuki |
| MIYAGAWA Keigo | 42-22 | HATTORI Kouki |
| HATTORI Kouki | 41-23 | KOGA Shingo |
| IWASAKI Masaaki | 33-31 | HATTORI Kouki |
| TOHIKA Ken | 45-19 | HATTORI Kouki |
| HATTORI Kouki | 56-08 | YOSHIKAWA Chiaki |
| HATTORI Kouki | 41-23 | MATSUSHITA Shigeo |
| HATTORI Kouki | 45-19 | FUJIMOTO Kenta |
| HATTORI Kouki | 38-26 | KAWAZOE Osuke |
| TAGUCHI Shinya | 48-16 | HATTORI Kouki |
| TAKAGI Yosuke | 33-31 | HATTORI Kouki |
| HATTORI Kouki | 46-18 | MATSUDA Ibuki |
| HATTORI Kouki | 34-30 | SHIMOMURA Shiki |
| HATTORI Kouki | 44-20 | UNO Toshihiro |
| HONJO Yoshitaka | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 35-29 | SHIMAMURA Yoshihide |
| HATTORI Kouki | 39-25 | TSUKAMOTO Hiroaki |
| HATTORI Kouki | 50-14 | TATSUWAKI Tatsumaru |
| HATTORI Kouki | 46-18 | KITATANI Yuuma |
| HATTORI Kouki | 41-23 | AYUKAWA Tomoki |
| HATTORI Kouki | 35-29 | UNO Toshihiro |
| HATTORI Kouki | 34-30 | MIYAGAWA Keigo |
| HATTORI Kouki | won against | ARAKI Yasuyuki |
| HATTORI Kouki | 64-00 | KOBAYASHI Takao |
| KURITA Seiya | won against | HATTORI Kouki |
| OHMORI Keita | 64-00 | HATTORI Kouki |
| IZUMI Takashi | 64-00 | HATTORI Kouki |
| HATTORI Kouki | won against | NAKAGAWA Azune |
| HATTORI Kouki | won against | KITAJIMA Satoya |
| YAMAZAKI Midorikawa | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 48-16 | UNO Toshihiro |
| KURAHASHI Satoshi | 36-28 | HATTORI Kouki |
| UMEDA Yuwa | 57-07 | HATTORI Kouki |
| TAKAGI Yosuke | 33-31 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | KOSAI Satomu |
| HATTORI Kouki | 40-24 | YOSHINO Toru |
| KITATANI Yuuma | 35-29 | HATTORI Kouki |
| KAWAZOE Osuke | 41-23 | HATTORI Kouki |
| HATTORI Kouki | 63-01 | YOKOBORI Kazuki |
| HATTORI Kouki | 43-21 | HAGA Kazutoshi |
| SATO Reiko | 33-31 | HATTORI Kouki |
| HATTORI Kouki | 44-20 | OKADA Tadakawa |
| HATTORI Kouki | 50-14 | IWATA Kosuke |
| OKUDAIRA Fuyumi | 32-32 | HATTORI Kouki |
| FUJIMOTO Kenta | 40-24 | HATTORI Kouki |
| HATTORI Kouki | 55-09 | MATSUSHITA Shigeo |
| FURUYA Hiroyuki | 32-32 | HATTORI Kouki |
| HATTORI Kouki | 49-15 | FUJITA Takeshi |
| HATTORI Kouki | 39-25 | TAYAMA Tsubasa |
| HATTORI Kouki | 47-17 | TOMI Kazuko |
| HATTORI Kouki | 37-27 | KOSHIZU Kuro |
| KURODA Ichi | 44-20 | HATTORI Kouki |
| NAGAO Hiroto | 40-24 | HATTORI Kouki |
| HATTORI Kouki | won against | TSUKAMOTO Kazuma |
| HATTORI Kouki | 47-17 | TOMINAGA Tomoki |
| HATTORI Kouki | 39-25 | TANAKA Tetsuya |
| MORIKI Kouhei | 46-18 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | TOMINAGA Yasuharu |
| KAMEMOTO Osamu | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 59-05 | ORIMOTO Aika |
| HATTORI Kouki | 57-07 | MEISHO Shigeki |
| KURITA Seiya | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | KAWAKAMI Makoto |
| URANO Kento | 50-14 | HATTORI Kouki |
| KANEKO Hikaru | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | TANIDA Sho |
| HATTORI Kouki | 38-26 | HONJO Yoshitaka |
| KAWAZOE Osuke | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | OKUDAIRA Fuyumi |
| HATTORI Kouki | 40-24 | UNO Toshihiro |
| HATTORI Kouki | 57-07 | OHTSUBO Hidetaka |
| HATTORI Kouki | 35-29 | EIRI Kanata |
| HATTORI Kouki | 50-14 | WATANABE Yasuya |
| HATTORI Kouki | 41-23 | HAMASAKI Akihiro |
| HATTORI Kouki | 64-00 | SUGASE Takahiro |
| HATTORI Kouki | 39-25 | SHIMAMOTO Masanori |
| TAKAHASHI Akihiro | 38-26 | HATTORI Kouki |
| TAKAGI Yosuke | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | MIYAZAKI Yuji |
| YOSHIDA Shigenobu | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 53-11 | NISHIMURA Akihiro |
| HATTORI Kouki | 36-28 | KOGA Shingo |
| TAKAHASHI Akihiro | 35-29 | HATTORI Kouki |
| TAKAGI Yosuke | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 39-25 | UNO Toshihiro |
| HATTORI Kouki | 64-00 | MITSUYA Nobuaki |
| HATTORI Kouki | 64-00 | HASHIMOTO Yuuta |
| MIYAMOTO Taketora | won against | HATTORI Kouki |
| IKEHATA Keiko | 64-00 | HATTORI Kouki |
| TAKAHASHI Satomi | won against | HATTORI Kouki |
| YAMASHITA Kiko | won against | HATTORI Kouki |
| HATTORI Kouki | won against | SHIMAMOTO Masanori |
| YAMAZAKI Midorikawa | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | HAYASHI Yoshihiro |
| TAKAHASHI Akihiro | 53-11 | HATTORI Kouki |
| HATTORI Kouki | 45-19 | HASHIMURA Hiroshi |
| HATTORI Kouki | 64-00 | LKHAGVA Erdenetsogt |
| HATTORI Kouki | won against | MIYAZAKI Toru |
| YAMAZAKI Midorikawa | 36-28 | HATTORI Kouki |
| TAKAGI Yosuke | 45-19 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | GAMOU Chisato |
| HATTORI Kouki | 34-30 | OKADA Oochi |
| HATTORI Kouki | 36-28 | SUGASE Takahiro |
| HATTORI Kouki | 38-26 | NORIMITSU Ayumi |
| HATTORI Kouki | 32-32 | FUJIMOTO Kenta |
| ISHIDA Kazuaki | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 53-11 | NAKAHAMA Kumi |
| HATTORI Kouki | 38-26 | FUJITA Takeshi |
| HATTORI Kouki | 49-15 | ONO Taiga |
| HATTORI Kouki | 48-16 | MUKAI Daisuke |
| HATTORI Kouki | 55-09 | YOSHIYUKI Suganuma |
| HATTORI Kouki | 36-28 | MIYAGAWA Keigo |
| HATTORI Kouki | 39-25 | HASEGAWA Tetsuya |
| HATTORI Kouki | 34-30 | OHIKE Yoshinori |
| HATTORI Kouki | won against | KAWARADA Yuichi |
| HATTORI Kouki | 37-27 | TSUCHIDA Daisuke |
| HATTORI Kouki | 41-23 | YAMASHITA Koji |
| HATTORI Kouki | 51-13 | OBATA Ohsawa |
| OKADA Oochi | won against | HATTORI Kouki |
| ONO Taiga | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 33-31 | SHIGEMATSU Hajime |
| HATTORI Kouki | 46-18 | KODAMA Tomoyuki |
| HATTORI Kouki | 40-24 | GAMOU Chisato |
2023-12-17: Osaka_open_2023(Japan)
2023-11-12: 24_Kyoto_standings_B(Japan)
2023-10-22: 49_All_Japan_Chubu_prelim(Japan)
2023-10-07: 32_Kansai_championship_A(Japan)
2023-09-16: 6_Fukuroi_open(Japan)
2023-08-13: 23_Kyoto_standings(Japan)
2023-06-10: 4_Fukuroi_open(Japan)
2023-04-29: 4_Osaka_endurance_open_1(Japan)
2023-04-29: 4_Osaka_endurance_open_2(Japan)
2023-03-19: 43_Meijin(Japan)
2023-03-18: 43_Meijin_students(Japan)
2023-01-09: 20_Kyoto_standings_A(Japan)
| HATTORI Kouki | 63-01 | SUGIMOTO Yuina |
| SHIMOMURA Shiki | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 59-05 | FUJIMATSU Kouhei |
| HISAMATSU Miu | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 44-20 | OKUMURA Shuya |
| HATTORI Kouki | 36-28 | UEDA Takashi |
| HATTORI Kouki | 40-24 | SAEKI Tsubasa |
| HATTORI Kouki | 34-30 | ICHIKAWA Yukinori |
| HATTORI Kouki | 44-20 | HISAMATSU Miu |
| TAGUCHI Shinya | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 45-19 | NISHIMURA Akihiro |
| HATTORI Kouki | won against | GAMOU Chisato |
| HATTORI Kouki | 44-20 | NAGASHIMA Yoshitaka |
| YOSHIDA Takuma | 34-30 | HATTORI Kouki |
| OKUDAIRA Akio | 39-25 | HATTORI Kouki |
| SOBAJIMA Daichi | 42-22 | HATTORI Kouki |
| HATTORI Kouki | 44-20 | TSUKAMOTO Hiroaki |
| HATTORI Kouki | 38-26 | MATSUMOTO Hiroyuki |
| KAWAZOE Osuke | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 46-18 | TOUYAMA Kanata |
| SHIMAMOTO Masanori | 37-27 | HATTORI Kouki |
| UNO Toshihiro | 44-20 | HATTORI Kouki |
| IKEHATA Keiko | 37-27 | HATTORI Kouki |
| HATTORI Kouki | 52-12 | MATSUMOTO Kazunori |
| HATTORI Kouki | 46-18 | TAGUCHI Shinya |
| HATTORI Kouki | 41-23 | HASEGAWA Takeshi |
| HATTORI Kouki | 46-18 | FUJITA Koichi |
| HATTORI Kouki | 39-25 | FUJIMOTO Kenta |
| HATTORI Kouki | 43-21 | IWASAKI Masaaki |
| OKUDAIRA Akio | 32-32 | HATTORI Kouki |
| HATTORI Kouki | 46-18 | TOHIKA Ken |
| HATTORI Kouki | 43-21 | FUJITA Takeshi |
| HATTORI Kouki | 49-15 | MATSUMOTO Kazunori |
| HATTORI Kouki | 39-25 | UEDA Takashi |
| GAMOU Chisato | 38-26 | HATTORI Kouki |
| HATTORI Kouki | won against | NISHIMURA Akihiro |
| NANASE Yuuma | 38-26 | HATTORI Kouki |
| MUMETA Kakeru | won against | HATTORI Kouki |
| YAMASHITA Kiko | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 56-08 | FUJITA Toshiko |
| HATTORI Kouki | 50-14 | IWASAKI Masaaki |
| HATTORI Kouki | 47-17 | NAKAHAMA Kumi |
| HATTORI Kouki | 33-31 | OHMORI Keita |
| HATTORI Kouki | 47-17 | FUJITA Takeshi |
| HATTORI Kouki | 34-30 | TOHIKA Ken |
| SUGASE Takahiro | 64-00 | HATTORI Kouki |
| HATTORI Kouki | 49-15 | TOUYAMA Kanata |
| HATTORI Kouki | 57-07 | NISHIMURA Akihiro |
| HATTORI Kouki | 34-30 | YOSHIDA Shigenobu |
| HATTORI Kouki | 50-14 | SANO Kaoru |
| HATTORI Kouki | 33-31 | YAKUSHIJI Kenta |
| UEDA Takashi | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | MATSUDA Ibuki |
| SHIMOMURA Shiki | 48-16 | HATTORI Kouki |
| TAGUCHI Shinya | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 42-22 | OKINAWA Takuto |
| HATTORI Kouki | 64-00 | HAMASAKI Akihiro |
| HATTORI Kouki | 45-19 | NISHIMURA Akihiro |
| HATTORI Kouki | 36-28 | SHIMIZU Naoki |
| HATTORI Kouki | 34-30 | AIHARA Shigeaki |
| SASAKI Kousuke | 41-23 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | SOUDA Shun |
| HATTORI Kouki | 33-31 | TANAKA Makoto |
| OHMORI Keita | 33-31 | HATTORI Kouki |
| ODA Akari | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | ODA Akari |
| NAKAOKA Akinori | 47-17 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | TAGUCHI Mika |
| HATTORI Kouki | 37-27 | HORIUCHI Soutarou |
| OKUDAIRA Akio | 52-12 | HATTORI Kouki |
| NAKAMURA Keiichiro | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 52-12 | KOSAI Satomu |
| YAKUSHIJI Kenta | 41-23 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | MAEKAWA Yuuki |
| HATTORI Kouki | 53-11 | NAGASHIMA Kouyou |
| MIYAMOTO Taketora | 39-25 | HATTORI Kouki |
| SUEMATSU Ryosuke | 36-28 | HATTORI Kouki |
2022-12-03: Osaka_open_2022(Japan)
2022-05-04: 50_blue_sky_conf(Japan)
| HATTORI Kouki | 45-19 | HAMASAKI Akihiro |
| HATTORI Kouki | 40-24 | KOBAYASHI Manabu |
| YAKUSHIJI Kenta | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | YAMAKITA Fumito |
| HATTORI Kouki | 42-22 | UNO Toshihiro |
| TAKAHASHI Akihiro | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 54-10 | NOGUCHI Kiyouko |
| HATTORI Kouki | 40-24 | MARUYAMA Tomohiro |
| TSUCHIYA Ryosuke | 46-18 | HATTORI Kouki |
| MURAKAMI Takeshi | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 33-31 | KAKANOKI Tada |
2021-12-25: Tokai_year_end(Japan)
| HASEGAWA Takeshi | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 33-31 | KOZUKA Katsuhiko |
| HATTORI Kouki | 51-13 | HASEGAWA Toshi |
| HATTORI Kouki | 40-24 | ARAKI Yasuyuki |
| OGURA Ryutaro | 35-29 | HATTORI Kouki |
2020-02-23: 1_Nagoya_othello_league(Japan)
| KOYASHIKI Ken | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | YAMANAKA Yukihiro |
| HATTORI Kouki | 42-22 | KAWAZOE Osuke |
| HATTORI Kouki | 35-29 | ISHIBARA Kotaro |
| TAGUCHI Amane | 48-16 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | HASHIMOTO Yuya |
2019-11-30: 48_Inuyama_open(Japan)
2019-10-27: 48_All_Japan_Chubu_prelim(Japan)
2019-09-01: 60_Nagoya_open(Japan)
2019-08-10: 47_Inuyama_open(Japan)
2019-04-27: 36_Suzuka_open(Japan)
2019-04-20: 59_Nagoya_open(Japan)
2019-03-24: 40_Meijin(Japan)
2019-03-03: 45_Inuyama_open(Japan)
2019-02-03: 2019_Chibu_expert_games(Japan)
| YOSHIYUKI Suganuma | 48-16 | HATTORI Kouki |
| HATTORI Kouki | 40-24 | SUZUKI Mikio |
| HATTORI Kouki | 40-24 | TSUKAMOTO Hiroaki |
| KOGA Shingo | 34-30 | HATTORI Kouki |
| HATTORI Kouki | 34-30 | HAGA Kazutoshi |
| HATTORI Kouki | 45-19 | KATOKO Isamu |
| OKUDAIRA Akio | 36-28 | HATTORI Kouki |
| SUGIYAMA Tomoyuki | 47-17 | HATTORI Kouki |
| ISHIBARA Kotaro | 48-16 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | OKUDAIRA Fuyumi |
| TSUKAMOTO Hiroaki | 35-29 | HATTORI Kouki |
| KAWAZOE Osuke | 38-26 | HATTORI Kouki |
| HATTORI Kouki | 44-20 | OHTSUBO Hidetaka |
| TAKAGI Yosuke | 33-31 | HATTORI Kouki |
| KOZUKA Katsuhiko | 43-21 | HATTORI Kouki |
| KOYASHIKI Ken | 37-27 | HATTORI Kouki |
| HATTORI Kouki | 36-28 | UNO Toshihiro |
| HATTORI Kouki | 33-31 | TAKAGI Yosuke |
| NAGAO Hiroto | 37-27 | HATTORI Kouki |
| OKAMOTO Harumi | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 58-06 | NIWA Masatake |
| YOSHIYUKI Suganuma | 35-29 | HATTORI Kouki |
| TSUKAMOTO Hiroaki | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 44-20 | OKUDAIRA Akio |
| HIGUCHI Atsutoshi | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 49-15 | SUGIYAMA Toshio |
| TANAKA Kousuke | 35-29 | HATTORI Kouki |
| HARA Shuichi | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 52-12 | IMAI Chiaki |
| MIYAZAKI Yuji | 49-15 | HATTORI Kouki |
| TAGUCHI Shinya | 46-18 | HATTORI Kouki |
| HASHIMOTO Yuya | 54-10 | HATTORI Kouki |
| TSUKAMOTO Hiroaki | 55-09 | HATTORI Kouki |
| HATTORI Kouki | 43-21 | NAGASHIMA Yoshitaka |
| YOSHIYUKI Suganuma | 49-15 | HATTORI Kouki |
| HATTORI Kouki | 51-13 | TAGUCHI Amane |
| KITAMURA Momona | won against | HATTORI Kouki |
| SATO Koichiro | won against | HATTORI Kouki |
| SATO Hisakazu | won against | HATTORI Kouki |
| HATTORI Kouki | won against | SAITO Aya |
| HATTORI Kouki | won against | MATSUZAKA Daiki |
| HATTORI Kouki | won against | OGINO Takeru |
| KITATANI Yuuma | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 51-13 | OUMIYA Asaka |
| MIYAGAWA Keigo | 50-14 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | WATANABE Osuke |
| HATTORI Kouki | 33-31 | MIURA Hideki |
| HATTORI Kouki | 47-17 | KAWAZOE Osuke |
| KITATANI Yuuma | 43-21 | HATTORI Kouki |
| HATTORI Kouki | 35-29 | TOKUDA Naoya |
| MIYAGAWA Keigo | 42-22 | HATTORI Kouki |
| HATTORI Kouki | 51-13 | NIWA Masatake |
| HATTORI Kouki | 58-06 | KOMINE Ryonobu |
| TSUCHIDA Daisuke | 52-12 | HATTORI Kouki |
| HATTORI Kouki | 38-26 | HASHIMOTO Yuya |
| HATTORI Kouki | 33-31 | KANOU Eishi |
2018-12-02: 44_Inuyama_open(Japan)
2018-12-01: 58_Nagoya_open(Japan)
2018-09-23: 47_All_Japan_Chubu_prelim(Japan)
2018-07-01: 46_All_Japan_Chubu_prelim(Japan)
2018-05-05: 42_Inuyama_open_morning(Japan)
2018-04-28: 57_Nagoya_open(Japan)
| HATTORI Kouki | 47-17 | ISHIDA Hiroto |
| HATTORI Kouki | 39-25 | TAYAMA Tsubasa |
| HATTORI Kouki | 33-31 | KATOKO Isamu |
| HAGA Kazutoshi | 64-00 | HATTORI Kouki |
| YOSHIYUKI Suganuma | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 45-19 | HASHIMOTO Yuya |
| HATTORI Kouki | 32-32 | UNO Toshihiro |
| HATTORI Kouki | 58-06 | NAGASHIMA Nobuko |
| HATTORI Kouki | 45-19 | FUJIMOTO Masaki |
| HATTORI Kouki | 32-32 | ONO Hideki |
| HATTORI Kouki | 41-23 | WATANABE Osuke |
| ISHIBARA Kotaro | 35-29 | HATTORI Kouki |
| HATTORI Kouki | 53-11 | KATOKO Isamu |
| SOBAJIMA Daichi | 46-18 | HATTORI Kouki |
| TSUKAMOTO Hiroaki | 61-03 | HATTORI Kouki |
| WATANABE Osuke | 36-28 | HATTORI Kouki |
| HATTORI Kouki | 51-13 | KOMINE Harunobu |
| HATTORI Kouki | 43-21 | ISHIBARA Kotaro |
| TOKUDA Naoya | 51-13 | HATTORI Kouki |
| HATTORI Kouki | 52-12 | KAWACHI Daiki |
| TSUCHIDA Daisuke | 39-25 | HATTORI Kouki |
| HATTORI Kouki | 47-17 | KATSUYAMA Yuta |
| HATTORI Kouki | 46-18 | HARA Shuichi |
| HATTORI Kouki | 37-27 | ISHIBARA Kotaro |
| HATTORI Kouki | 40-24 | KATOKO Isamu |
| HATTORI Kouki | 42-22 | HASHIMOTO Yuya |
| HATTORI Kouki | 40-24 | MATSUMOTO Hiroyuki |
| TAKAGI Yosuke | 54-10 | HATTORI Kouki |
| HATTORI Kouki | 37-27 | ISHIBARA Kotaro |
| HATTORI Kouki | 56-08 | KATOKO Takahiro |
| KATOKO Isamu | 45-19 | HATTORI Kouki |
| OHIRA Takuhiro | 44-20 | HATTORI Kouki |
| HATTORI Kouki | 39-25 | ESAKI Sachiji |
