Koichi Wajima (31-6-1, 25) was born in Shibetsu, Hokkaidō, Japan on April 21, 1943. At the age of 25 years on June 15, 1968, he made his professional boxing debut against Akira Takekawa, winning the fight via 1st-round KO.
On his 25th career fight at 28 years old, Wajima became a welterweight world champion on October 31, 1971 after defeating Carmelo Bossi via 15-round split decision to win the WBA title.
He then went on to become world champion at the super-welterweight weight class as well, winning the WBA, WBC and The Ring titles against Oscar Albarado via 15-round unanimous decision on January 21, 1975.
Wajima's last fight was a super-welterweight world-title fight against Eddie Gazo for Gazo's WBA and The Ring titles on June 7, 1977. He lost the fight via 11th-round TKO. He retired on a 2-fight losing streak.
Some of Koichi Wajima's best fights were against Oscar Albarado, Domenico Tiberia and Tetsuo Hoshino. For details about these fights refer to "Best fights of Koichi Wajima".
Wajima has 6 losses on his boxing record. For details about these losses refer to "Koichi Wajima Losses".
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
38  | Jun 7, 1977 34 years, 1 months 31-6-1 (25) | 26 years, 8 months 31-4-2 (17) | SWL | 11 | TKO | LOSS For WBA, The Ring |
37 | May 18, 1976 33 years 31-5-1 (25) | Jose Manuel Duran | SWL | 14 | KO | LOSS Lost WBA, The Ring |
36 | Feb 17, 1976 32 years, 9 months 31-4-1 (25) | Yuh Jae-Doo | SWL | 15 | KO | WIN Won WBA, The Ring |
35 | Jun 7, 1975 32 years, 1 months 30-4-1 (24) | Yuh Jae-Doo | SWL | 7 | KO | LOSS Lost WBA, WBC, The Ring |
34  | Jan 21, 1975 31 years, 9 months 30-3-1 (24) | 26 years, 4 months 50-6-1 (38) | SWL | 15 | UD | WIN Won WBA, WBC, The Ring |
33 | Jun 4, 1974 31 years, 1 months 29-3-1 (24) | 25 years, 8 months 48-6-1 (36) | SWL | 15 | KO | LOSS Lost WBA, WBC For The Ring |
32 | Feb 5, 1974 30 years, 9 months 29-2-1 (24) | Miguel De Oliveira | SWL | 15 | MD | WIN Defended WBA, WBC |
31 | Aug 14, 1973 30 years, 3 months 28-2-1 (24) | Silvano Bertini | SWL | 12 | RTD | WIN Defended WBA, WBC |
30 | Apr 19, 1973 29 years, 11 months 27-2-1 (23) | Ryu Sorimachi | SWL | 15 | MD | WIN Defended WBA, WBC |
29 | Jan 9, 1973 29 years, 8 months 26-2-1 (23) | Miguel De Oliveira | SWL | 15 | MD | DRAW Defended WBA, WBC |
28 | Oct 3, 1972 29 years, 5 months 26-2 (23) | Matt Donovan | SWL | 3 | KO | WIN Defended WBA, WBC |
27 | May 7, 1972 29 years 25-2 (22) | Domenico Tiberia | SWL | 1 | KO | WIN Defended WBA, WBC |
26 | Feb 2, 1972 28 years, 9 months 24-2 (21) | Cassius Naito | 7 | KO | WIN | |
25 | Oct 31, 1971 28 years, 6 months 23-2 (20) | Carmelo Bossi | WL | 15 | SD | WIN Won WBA |
24 | May 28, 1971 28 years, 1 months 22-2 (20) | Tetsuo Hoshino | SWL | 2 | KO | WIN |
23 | Mar 26, 1971 27 years, 11 months 21-2 (19) | Alfredo Fuentes | 1 | KO | WIN | |
22 | Feb 18, 1971 27 years, 9 months 20-2 (18) | Hideo Kanazawa | 2 | KO | WIN | |
21 | Jan 8, 1971 27 years, 8 months 19-2 (17) | Hisao Minami | SWL | 7 | KO | WIN |
20 | Oct 30, 1970 27 years, 6 months 18-2 (16) | Raizo Kashima | SWL | 3 | KO | WIN |
19 | Sep 10, 1970 27 years, 4 months 17-2 (15) | Tetsuo Hoshino | SWL | 5 | KO | WIN |
18 | Aug 9, 1970 27 years, 3 months 16-2 (14) | Muneo Mizoguchi | SWL | 8 | KO | WIN |
17 | May 23, 1970 27 years, 1 months 15-2 (13) | Ken Sato | 3 | KO | WIN | |
16 | Apr 9, 1970 26 years, 11 months 14-2 (12) | George Carter | SWL | 10 | SD | WIN |
15 | Feb 5, 1970 26 years, 9 months 13-2 (12) | George Carter | SWL | 10 | UD | LOSS |
14 | Dec 18, 1969 26 years, 7 months 13-1 (12) | Turtle Okabe | SWL | 7 | KO | WIN |
13 | Oct 30, 1969 26 years, 6 months 12-1 (11) | Pedro Adigue | 1 | KO | LOSS | |
12 | Sep 4, 1969 26 years, 4 months 12-0 (11) | Noriyasu Yoshimura | SWL | 4 | KO | WIN |
11 | Jul 30, 1969 26 years, 3 months 11-0 (10) | Rocky Alarde | 8 | KO | WIN | |
10 | Jun 16, 1969 26 years, 1 months 10-0 (9) | Alacran Kusanagi | 9 | KO | WIN | |
9 | Mar 27, 1969 25 years, 11 months 9-0 (8) | Takemi Kato | 6 | KO | WIN | |
8 | Feb 3, 1969 25 years, 9 months 8-0 (7) | Masaki Nomoto | 6 | PTS | WIN | |
7 | Dec 30, 1968 25 years, 8 months 7-0 (7) | Masami Takechi | 4 | RTD | WIN | |
6 | Oct 27, 1968 25 years, 6 months 6-0 (6) | Sozo Yamamoto | 1 | KO | WIN | |
5 | Oct 6, 1968 25 years, 5 months 5-0 (5) | Takao Higa | 3 | KO | WIN | |
4 | Aug 31, 1968 25 years, 4 months 4-0 (4) | Tadakazu Sakai | 2 | KO | WIN | |
3 | Aug 8, 1968 25 years, 3 months 3-0 (3) | Toshiaki Kaneko | 3 | KO | WIN | |
2 | Jun 30, 1968 25 years, 2 months 2-0 (2) | Koji Watanabe | 2 | KO | WIN | |
1 | Jun 15, 1968 25 years, 1 months 1-0 (1) | Akira Takekawa | 1 | KO | WIN |
