Koji Takeuchi (7-8-5, 4) was born in Japan on May 29, 1974. At the age of 24 years on January 27, 1999, he made his professional MMA debut against Kohei Yasumi, losing the fight via 2-round unanimous decision.
Takeuchi's last fight was a 1st-round submission win against Hiroshi Kozakai at Pancrase: Sapporo at age 40 on June 22, 2014. He retired with a 4-fight winning streak.
Some of Koji Takeuchi's best fights have been against Wataru Miki, Mitsuo Matsumoto, Makoto Ishikawa and Hiroshi Kozakai.
Takeuchi has 8 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
20 | Jun 22, 2014 40 years 7-8-5 (4) | Hiroshi Kozakai | Pancrase | 1 | SUB | WIN Rear-naked choke | |
19 | May 25, 2014 39 years, 11 months 6-8-5 (3) | Hyung-Seok Lee | 2 | SUB | WIN Guillotine choke | ||
18 | Oct 20, 2013 39 years, 4 months 5-8-5 (2) | Hidekazu Asakura | 2 | UD | WIN | ||
17 | May 21, 2006 31 years, 11 months 4-8-5 (2) | Hidekazu Asakura | 2 | MD | WIN | ||
16 | Jul 30, 2005 31 years, 2 months 3-8-5 (2) | Kabuto Kokage | 2 | UD | LOSS | ||
15 | Sep 26, 2004 30 years, 3 months 3-7-5 (2) | Komei Okada | 2 | UD | LOSS | ||
14  | Apr 16, 2004 29 years, 10 months 3-6-5 (2) | 23 years, 7 months 2-2-1 (1) | 1 | SUB | WIN Armbar | ||
13 | Oct 31, 2003 29 years, 5 months 2-6-5 (1) | Ganjo Tentsuku | 2 | UD | LOSS | ||
12 | Mar 4, 2003 28 years, 9 months 2-5-5 (1) | Tashiro Nishiuchi | DEEP | 3 | UD | DRAW | |
11  | Nov 25, 2001 27 years, 5 months 2-5-4 (1) | 25 years, 10 months 2-5-4 (2) | 2 | UD | LOSS | ||
10  | Sep 27, 2001 27 years, 3 months 2-4-4 (1) | 30 years, 9 months 4-1-3 (3) | 2 | UD | LOSS | ||
9 | Jun 30, 2001 27 years, 1 months 2-3-4 (1) | Takeshi Yamazaki | 2 | MD | LOSS | ||
8  | Mar 2, 2001 26 years, 9 months 2-2-4 (1) | 24 years, 9 months 2-0 (1) | 2 | UD | DRAW | ||
7  | Nov 12, 2000 26 years, 5 months 2-2-3 (1) | 28 years, 2 months 3-3-3 (2) | 2 | UD | DRAW | ||
6  | Jul 16, 2000 26 years, 1 months 2-2-2 (1) | 26 years, 8 months 1-0 (1) | 2 | UD | DRAW | ||
5  | May 22, 2000 25 years, 11 months 2-2-1 (1) | 25 years, 7 months 3-2 (0) | 2 | MD | WIN | ||
4 | Oct 6, 1999 25 years, 4 months 1-2-1 (1) | Tetsuharu Ikei | 2 | UD | DRAW | ||
3  | May 27, 1999 24 years, 11 months 1-2 (1) | 27 years, 10 months 1-3 (0) | 2 | SUB | WIN Triangle choke | ||
2 | Mar 28, 1999 24 years, 9 months 0-2 (0) | Kazuya Abe | 2 | UD | LOSS | ||
1  | Jan 27, 1999 24 years, 7 months 0-1 (0) | 20 years, 2 months | 2 | UD | LOSS |
