Guts Ishimatsu losses
Over 12 years as a professional, Guts Ishimatsu compiled a 31-14-6 (17) record, including 14 title fights across two weight classes. He had 14 losses, four of them in title fights.
14. Guts Ishimatsu loses to Yohi Arai via majority decision
On June 20, 1978 Guts Ishimatsu faced Yohi Arai in a super lightweight bout. Ishimatsu was 29 years old with a record of 31-13-6, and Arai was 0 with a record of 0-0. Ishimatsu was on a 2-fight losing streak. Ishimatsu lost via majority decision. Went the distance with Arai.
13. Guts Ishimatsu loses to Saensak Muangsurin via KO
On April 2, 1977 Guts Ishimatsu fought Saensak Muangsurin for the WBC super lightweight title. Ishimatsu was 27 years old with a record of 31-12-6, and Muangsurin was 26 with a record of 7-1. Ishimatsu was coming off a loss, while Muangsurin was on a 2-fight winning streak. Muangsurin stopped Ishimatsu via KO in the 6th round. Failed to capture the title.
12. Guts Ishimatsu loses to Esteban de Jesús via unanimous decision
On May 8, 1976 Guts Ishimatsu defended his WBC lightweight title against Esteban de Jesús. Ishimatsu was 26 years old with a record of 31-11-6, and Jesús was 24 with a record of 47-3. Ishimatsu was on a 4-fight winning streak and Jesús was on a 2-fight winning streak. Ishimatsu lost via unanimous decision. Lost the title. Went the distance with Jesús.
11. Guts Ishimatsu loses to Roberto Durán via KO
On September 8, 1973 Guts Ishimatsu fought Roberto Durán for the WBA, The Ring, and lineal lightweight titles. Ishimatsu was 24 years old with a record of 25-10-5, and Durán was 22 with a record of 37-1. Both Ishimatsu and Durán were on a 6-fight winning streak. Durán stopped Ishimatsu via TKO in the 10th round. Failed to capture the title.
10. Guts Ishimatsu loses to Chang Kil Lee via points decision
On December 4, 1971 Guts Ishimatsu faced Chang Kil Lee in a lightweight bout. Ishimatsu was 22 years old with a record of 19-9-5, and Lee was 0 with a record of 0-0. Ishimatsu was coming off a loss. Ishimatsu lost via points decision. Went the distance with Lee.
9. Guts Ishimatsu loses to Yasuaki Kadota via KO
On August 13, 1971 Guts Ishimatsu faced Yasuaki Kadota in a lightweight bout. Ishimatsu was 22 years old with a record of 19-8-5, and Kadota was 0 with a record of 0-0. Ishimatsu was on a 2-fight winning streak. Kadota stopped Ishimatsu via KO in the 8th round. Lasted into the 8th round.
8. Guts Ishimatsu loses to Rene Barrientos via majority decision
On October 29, 1970 Guts Ishimatsu faced Rene Barrientos in a lightweight bout. Ishimatsu was 21 years old with a record of 17-7-4, and Barrientos was 0 with a record of 0-0. Ishimatsu was coming off a loss. Ishimatsu lost via majority decision. Went the distance with Barrientos.
7. Guts Ishimatsu loses to Lionel Rose via unanimous decision
On October 10, 1970 Guts Ishimatsu faced Lionel Rose in a lightweight bout. Ishimatsu was 21 years old with a record of 17-6-4, and Rose was 22 with a record of 38-5. Ishimatsu was coming off a win and Rose was on a 2-fight winning streak. Ishimatsu lost via unanimous decision. Went the distance with Rose.
6. Guts Ishimatsu loses to Ismael Laguna via KO
On June 6, 1970 Guts Ishimatsu fought Ismael Laguna for the undisputed lightweight title. Ishimatsu was 21 years old with a record of 16-5-4, and Laguna was 26 with a record of 62-6-1. Both Ishimatsu and Laguna were on a 4-fight winning streak. Laguna stopped Ishimatsu via TKO in the 13th round. Failed to capture the title. Lasted into the 13th round.
5. Guts Ishimatsu loses to Isao Shiiya via points decision
On July 23, 1969 Guts Ishimatsu faced Isao Shiiya. Ishimatsu was 20 years old with a record of 12-4-4, and Shiiya was 0 with a record of 0-0. Ishimatsu lost via points decision. Went the distance with Shiiya.
4. Guts Ishimatsu loses to Koichi Otomaru via points decision
On June 15, 1968 Guts Ishimatsu faced Koichi Otomaru. Ishimatsu was 19 years old with a record of 9-3-1, and Otomaru was 0 with a record of 0-0. Ishimatsu was on a 5-fight winning streak. Ishimatsu lost via points decision. Went the distance with Otomaru.
3. Guts Ishimatsu loses to Ranger Yashiro via points decision
On October 6, 1967 Guts Ishimatsu faced Ranger Yashiro. Ishimatsu was 18 years old with a record of 4-2-1, and Yashiro was 0 with a record of 0-0. Ishimatsu was coming off a loss. Ishimatsu lost via points decision. Went the distance with Yashiro.
2. Guts Ishimatsu loses to Keiji Murabayashi via KO
On August 9, 1967 Guts Ishimatsu faced Keiji Murabayashi. Ishimatsu was 18 years old with a record of 4-1-1, and Murabayashi was 0 with a record of 0-0. Murabayashi stopped Ishimatsu via KO in the 1st round.
1. Guts Ishimatsu loses to Hajime Kagawa via points decision
On May 17, 1967 Guts Ishimatsu faced Hajime Kagawa. Ishimatsu was 17 years old with a record of 4-0, and Kagawa was 0 with a record of 0-0. Ishimatsu was on an undefeated 4-fight winning streak. Ishimatsu lost via points decision. Went the distance with Kagawa.