Opponents
Kobayashi Koichi's main opponents
| Opponent Name | # Games Between Them | Win/Draw/Loss (Win%) | List of Games |
|---|---|---|---|
| Cho Chikun | 123 | 60/0/63 (48.8%) | » |
| Kato Masao | 103 | 49/0/54 (47.6%) | » |
| Rin Kaiho | 82 | 52/0/30 (63.4%) | » |
| Otake Hideo | 70 | 47/0/23 (67.1%) | » |
| Takemiya Masaki | 66 | 35/0/31 (53.0%) | » |
| O Rissei | 43 | 22/0/21 (51.2%) | » |
| Yoda Norimoto | 43 | 21/0/22 (48.8%) | » |
| Kobayashi Satoru | 36 | 19/0/17 (52.8%) | » |
| Yamashiro Hiroshi | 32 | 17/0/15 (53.1%) | » |
| Ishida Yoshio | 27 | 11/0/16 (40.7%) | » |
| Kataoka Satoshi | 25 | 17/0/8 (68.0%) | » |
| Awaji Shuzo | 25 | 16/0/9 (64.0%) | » |
| Ryu Shikun | 25 | 13/0/12 (52.0%) | » |
| Sakata Eio | 24 | 16/0/8 (66.7%) | » |
| Ma Xiaochun | 24 | 16/0/8 (66.7%) | » |
| O Meien | 24 | 11/0/13 (45.8%) | » |
| Yamashita Keigo | 21 | 10/0/11 (47.6%) | » |
| Kudo Norio | 19 | 14/0/5 (73.7%) | » |
| Hikosaka Naoto | 19 | 9/0/10 (47.4%) | » |
| Yuki Satoshi | 17 | 7/0/10 (41.2%) | » |
| Komatsu Hideki | 16 | 11/0/5 (68.8%) | » |
| Fujisawa Hideyuki | 16 | 10/0/6 (62.5%) | » |
| Takagi Shoichi | 16 | 9/0/7 (56.3%) | » |
| Honda Kunihisa | 14 | 10/0/4 (71.4%) | » |
| Yamada Kimio | 13 | 7/0/6 (53.8%) | » |
| Hashimoto Shoji | 13 | 9/0/4 (69.2%) | » |
| Nie Weiping | 12 | 7/0/5 (58.3%) | » |
| Cho Hunhyun | 12 | 6/0/6 (50.0%) | » |
| Ishida Akira | 12 | 10/0/2 (83.3%) | » |
| Sakai Takeshi | 11 | 8/0/3 (72.7%) | » |
| Imamura Toshiya | 11 | 7/0/4 (63.6%) | » |
| Yamabe Toshiro | 11 | 5/0/6 (45.5%) | » |
| Chang Hao | 11 | 6/0/5 (54.5%) | » |
| Takao Shinji | 11 | 4/0/7 (36.4%) | » |
| Ishii Kunio | 11 | 8/0/3 (72.7%) | » |
| Hane Yasumasa | 10 | 8/0/2 (80.0%) | » |
| Sonoda Yuichi | 9 | 6/0/3 (66.7%) | » |
| Shiraishi Yutaka | 9 | 8/0/1 (88.9%) | » |
| Hane Naoki | 9 | 6/0/3 (66.7%) | » |
| Mimura Tomoyasu | 9 | 5/0/4 (55.6%) | » |
| Ishigure Ikuro | 8 | 5/0/3 (62.5%) | » |
| Miyazawa Goro | 8 | 7/0/1 (87.5%) | » |
| Ohira Shuzo | 8 | 5/0/3 (62.5%) | » |
| Nakano Hironari | 8 | 7/0/1 (87.5%) | » |
| Ko Iso | 8 | 4/0/4 (50.0%) | » |
| Cho U | 7 | 2/0/5 (28.6%) | » |
| Iwata Tatsuaki | 7 | 7/0/0 (100.0%) | » |
| Sugiuchi Masao | 7 | 5/0/2 (71.4%) | » |
| Hashimoto Yujiro | 7 | 7/0/0 (100.0%) | » |
| Tono Hiroaki | 7 | 5/0/2 (71.4%) | » |
| Kato Atsushi | 7 | 3/0/4 (42.9%) | » |
| Cho Sonjin | 7 | 6/0/1 (85.7%) | » |
| Lee Changho | 6 | 2/0/4 (33.3%) | » |
| Kim Sujun | 6 | 3/0/3 (50.0%) | » |
| Ogaki Yusaku | 6 | 4/0/2 (66.7%) | » |
| Yamada Takuji | 6 | 3/0/3 (50.0%) | » |
| Ando Kazushige | 6 | 5/0/1 (83.3%) | » |
| Hashimoto Utaro | 6 | 4/0/2 (66.7%) | » |
| Kamimura Haruo | 5 | 3/0/2 (60.0%) | » |
| Morita Michihiro | 5 | 1/0/4 (20.0%) | » |
| Liu Xiaoguang | 5 | 5/0/0 (100.0%) | » |
| Nakamura Hidehito | 5 | 5/0/0 (100.0%) | » |
| Shimamura Toshihiro | 5 | 5/0/0 (100.0%) | » |
| Chino Tadahiko | 5 | 5/0/0 (100.0%) | » |
| Seo Bongsoo | 5 | 4/0/1 (80.0%) | » |
| Lee Ishu | 5 | 3/0/2 (60.0%) | » |
| Iguchi Toyohide | 4 | 3/0/1 (75.0%) | » |
| Yasuda Yasutoshi | 4 | 3/0/1 (75.0%) | » |
| Yoo Changhyuk | 4 | 1/0/3 (25.0%) | » |
| Kiyonari Tetsuya | 4 | 3/0/1 (75.0%) | » |
| Xie Yimin | 4 | 3/0/1 (75.0%) | » |
| Onishi Ryuhei | 4 | 0/0/4 (0.0%) | » |
| Mitsunaga Junzo | 4 | 4/0/0 (100.0%) | » |
| Takanashi Seiken | 4 | 2/0/2 (50.0%) | » |
| Kono Mitsuki | 4 | 4/0/0 (100.0%) | » |
| Kajiwara Takeo | 4 | 4/0/0 (100.0%) | » |
| Nakaonoda Tomomi | 4 | 1/0/3 (25.0%) | » |
| Ushinohama Satsuo | 4 | 2/0/2 (50.0%) | » |
| Zhou Heyang | 4 | 2/0/2 (50.0%) | » |
| Takagawa Kaku | 4 | 3/0/1 (75.0%) | » |
| Terayama Rei | 4 | 2/0/2 (50.0%) | » |
| Han Zenki | 4 | 2/0/2 (50.0%) | » |
| Yu Bin | 4 | 2/0/2 (50.0%) | » |
| Suzuki Ayumi | 4 | 2/0/2 (50.0%) | » |
| Chin Kaei | 4 | 4/0/0 (100.0%) | » |
| Yo Kagen | 4 | 4/0/0 (100.0%) | » |
| Cao Dayuan | 4 | 3/0/1 (75.0%) | » |
| Ko Mosei | 3 | 1/0/2 (33.3%) | » |
| Yo Kaei | 3 | 2/0/1 (66.7%) | » |
| Horimoto Mitsunari | 3 | 3/0/0 (100.0%) | » |
| Sanno Hirotaka | 3 | 3/0/0 (100.0%) | » |
| Obuchi Morito | 3 | 2/0/1 (66.7%) | » |
| Ishikura Noboru | 3 | 2/0/1 (66.7%) | » |
| Shuto Shun | 3 | 3/0/0 (100.0%) | » |
| Haruyama Isamu | 3 | 3/0/0 (100.0%) | » |
| Matsumoto Takehisa | 3 | 1/0/2 (33.3%) | » |
| Oyama Kunio | 3 | 3/0/0 (100.0%) | » |
| Kono Takashi | 3 | 2/0/1 (66.7%) | » |
| Iyama Yuta | 3 | 0/0/3 (0.0%) | » |
| Tei Meiko | 3 | 3/0/0 (100.0%) | » |
| Cho Riyu | 3 | 1/0/2 (33.3%) | » |
| Kurotaki Masanori | 3 | 2/0/1 (66.7%) | » |
| Hasegawa Sunao | 3 | 2/0/1 (66.7%) | » |
| Kada Katsuji | 3 | 3/0/0 (100.0%) | » |
| Arimura Hiroshi | 3 | 3/0/0 (100.0%) | » |
| Mukai Chiaki | 3 | 3/0/0 (100.0%) | » |
| Hsu Chiayuan | 3 | 1/0/2 (33.3%) | » |
| Michael Redmond | 3 | 1/0/2 (33.3%) | » |
| Sonoda Yasutaka | 3 | 2/0/1 (66.7%) | » |
| So Yokoku | 3 | 1/0/2 (33.3%) | » |
| Yokota Shigeaki | 3 | 3/0/0 (100.0%) | » |
| Chang Rueijie | 3 | 1/0/2 (33.3%) | » |
| Sato Sunao | 3 | 3/0/0 (100.0%) | » |
| Yu Zhengqi | 3 | 1/0/2 (33.3%) | » |
| Muramatsu Ryuichi | 3 | 3/0/0 (100.0%) | » |
| Ogata Masaki | 3 | 1/0/2 (33.3%) | » |
| Akiyama Jiro | 3 | 1/0/2 (33.3%) | » |
| Kojima Takaho | 3 | 3/0/0 (100.0%) | » |
| Kamimura Kunio | 3 | 3/0/0 (100.0%) | » |
| Rin Shien | 3 | 0/0/3 (0.0%) | » |
| Ishii Shinzo | 3 | 2/0/1 (66.7%) | » |
| Fujisawa Hosai | 3 | 2/0/1 (66.7%) | » |
| Sato Masaharu | 2 | 2/0/0 (100.0%) | » |
| Sakai Michiharu | 2 | 2/0/0 (100.0%) | » |
| Aoki Shinichi | 2 | 2/0/0 (100.0%) | » |
| Tokimoto Hajime | 2 | 2/0/0 (100.0%) | » |
| Ezura Yuichi | 2 | 2/0/0 (100.0%) | » |
| Tozawa Akinobu | 2 | 2/0/0 (100.0%) | » |
| So Kofuku | 2 | 2/0/0 (100.0%) | » |
| Nakamura Shinya | 2 | 0/0/2 (0.0%) | » |
| Mitani Tetsuya | 2 | 0/0/2 (0.0%) | » |
| Tsuruyama Atsushi | 2 | 1/0/1 (50.0%) | » |
| Shiraishi Yuichi | 2 | 1/0/1 (50.0%) | » |
| Seto Taiki | 2 | 1/0/1 (50.0%) | » |
| Ko Reibun | 2 | 1/0/1 (50.0%) | » |
| Hoshino Masaki | 2 | 2/0/0 (100.0%) | » |
| Tsuneishi Takashi | 2 | 2/0/0 (100.0%) | » |
| Chinen Kaori | 2 | 1/0/1 (50.0%) | » |
| Qian Yuping | 2 | 1/0/1 (50.0%) | » |
| Abe Yoshiteru | 2 | 2/0/0 (100.0%) | » |
| Ishii Mamoru | 2 | 2/0/0 (100.0%) | » |
| Seo Nungwuk | 2 | 1/0/1 (50.0%) | » |
| Kurotaki Masaki | 2 | 2/0/0 (100.0%) | » |
| Hisajima Kunio | 2 | 2/0/0 (100.0%) | » |
| Sakai Hideyuki | 2 | 1/0/1 (50.0%) | » |
| Gu Li | 2 | 1/0/1 (50.0%) | » |
| Okada Yumiko | 2 | 1/0/1 (50.0%) | » |
| Weon Seongjin | 2 | 0/0/2 (0.0%) | » |
| Imamura Yoshiaki | 2 | 0/0/2 (0.0%) | » |
| Wang Lei (b) | 2 | 1/0/1 (50.0%) | » |
| Mizokami Tomochika | 2 | 1/0/1 (50.0%) | » |
| Goto Shungo | 2 | 2/0/0 (100.0%) | » |
| Uchida Shuhei | 2 | 1/0/1 (50.0%) | » |
| Ono Nobuyuki | 2 | 2/0/0 (100.0%) | » |
| Shida Tatsuya | 2 | 2/0/0 (100.0%) | » |
| Adachi Toshimasa | 2 | 0/0/2 (0.0%) | » |
| Kenmochi Joe | 2 | 2/0/0 (100.0%) | » |
| Takano Hideki | 2 | 1/0/1 (50.0%) | » |
| Kono Rin | 2 | 0/0/2 (0.0%) | » |
| Rui Naiwei | 2 | 0/0/2 (0.0%) | » |
| Shao Zhenzhong | 2 | 2/0/0 (100.0%) | » |
| Jiang Zhujiu | 2 | 2/0/0 (100.0%) | » |
| Miyamoto Yoshihisa | 2 | 2/0/0 (100.0%) | » |
Opponents with only one game omitted from the list.
