Here is a list of Nanbu's best fights. For a list of Nanbu's losses, refer to "Yohei Nanbu Losses".
On August 4, 1999 Yohei Nanbu faced off against Koichi Tanaka at age 22. He was coming in with a record of 1-1-1 (0), and Tanaka was 27 years old and with a record of 2-3-1 (2). Nanbu won the fight via 2-round majority decision.
On October 6, 1999 Yohei Nanbu faced off against Yohei Suzuki at age 22. He was coming in with a record of 2-1-1 (0), and Suzuki was 26 years old and with a record of 1-1 (0). Nanbu won the fight via 2-round unanimous decision.
