Koichi Tanaka losses
Over 14 years as a professional, Koichi Tanaka has compiled a 3-11-1 (3) record, fighting across four weight classes. He has eleven losses.
11. Koichi Tanaka loses to Yuichi Miyagi via unanimous decision
On February 4, 2007 Koichi Tanaka faced Yuichi Miyagi in a lightweight bout. Tanaka was 35 years old with a record of 2-10-1, and Miyagi was 0 with a record of 0-0. Tanaka was on a 8-fight losing streak. Tanaka lost via unanimous decision.
10. Koichi Tanaka loses to Kenji Takeshige via KO
On October 1, 2006 Koichi Tanaka faced Kenji Takeshige in a lightweight bout. Tanaka was 34 years old with a record of 2-9-1, and Takeshige was 0 with a record of 0-0. Tanaka was on a 7-fight losing streak. Takeshige submitted Tanaka via toe hold in the 2nd round.
9. Koichi Tanaka loses to Hiroshi Komatsu via unanimous decision
On September 23, 2001 Koichi Tanaka faced Hiroshi Komatsu in a bantamweight bout. Tanaka was 29 years old with a record of 2-8-1, and Komatsu was 0 with a record of 0-0. Tanaka was on a 6-fight losing streak. Tanaka lost via unanimous decision.
8. Koichi Tanaka loses to Akitoshi Tamura via unanimous decision
On August 15, 2001 Koichi Tanaka faced Akitoshi Tamura in a featherweight bout. Tanaka was 29 years old with a record of 2-7-1, and Tamura was 21 with a record of 0-1. Tanaka was on a 5-fight losing streak and Tamura was coming off a loss. Tanaka lost via unanimous decision.
7. Koichi Tanaka loses to Makoto Ishikawa via unanimous decision
On June 14, 2001 Koichi Tanaka faced Makoto Ishikawa in a featherweight bout. Tanaka was 29 years old with a record of 2-6-1, and Ishikawa was 26 with a record of 4-3. Tanaka was on a 4-fight losing streak, while Ishikawa was coming off a win. Tanaka lost via unanimous decision.
6. Koichi Tanaka loses to Yoshihiro Fujita via KO
On February 18, 2001 Koichi Tanaka faced Yoshihiro Fujita in a bantamweight bout. Tanaka was 29 years old with a record of 2-5-1, and Fujita was 31 with a record of 0-3-1. Tanaka was on a 3-fight losing streak. Fujita submitted Tanaka via choke-out in the 1st round.
5. Koichi Tanaka loses to Chikara Miyake via KO
On October 29, 1999 Koichi Tanaka faced Chikara Miyake in a featherweight bout. Tanaka was 28 years old with a record of 2-4-1, and Miyake was 0 with a record of 0-0. Tanaka was on a 2-fight losing streak. Miyake submitted Tanaka via rear-naked choke in the 1st round.
4. Koichi Tanaka loses to Yohei Nanbu via majority decision
On August 4, 1999 Koichi Tanaka faced Yohei Nanbu in a featherweight bout. Tanaka was 27 years old with a record of 2-3-1, and Nanbu was 22 with a record of 0-1-1. Tanaka was coming off a loss. Tanaka lost via majority decision.
3. Koichi Tanaka loses to Isao Tanimura via majority decision
On May 27, 1999 Koichi Tanaka faced Isao Tanimura in a welterweight bout. Tanaka was 27 years old with a record of 2-2-1, and Tanimura was 0 with a record of 0-0. Tanaka was coming off a win. Tanaka lost via majority decision.
2. Koichi Tanaka loses to Jutaro Nakao via KO
On September 18, 1998 Koichi Tanaka faced Jutaro Nakao in a welterweight bout. Tanaka was 26 years old with a record of 1-1-1, and Nakao was 27 with a record of 5-3-1. Nakao was coming off a loss. Nakao submitted Tanaka via triangle choke in the 1st round.
1. Koichi Tanaka loses to Tetsuji Kato via KO
On January 17, 1998 Koichi Tanaka faced Tetsuji Kato. Tanaka was 26 years old with a record of 1-0, and Kato was 0 with a record of 0-0. Tanaka was coming off a win. Kato submitted Tanaka via choke-out in the 1st round.