Here is a list of Otsuka's best fights. For a list of Otsuka's losses, refer to "Alexander Otsuka Losses".
On October 11, 1998 Alexander Otsuka faced off against Marco Ruas at age 27. He was coming in with a record of 1-2 (1), and Ruas was 37 years old and with a record of 8-1-2 (8). Otsuka stopped Marco Ruas via TKO.
On March 16, 2003 Alexander Otsuka faced off against Kenichi Yamamoto at age 31. He was coming in with a record of 3-12 (2), and Yamamoto was 26 years old and with a record of 4-5-2 (3). Otsuka won the fight via 3-round unanimous decision.
On October 31, 2000 Alexander Otsuka faced off against Mike Bourke at age 29. He was coming in with a record of 2-5 (2). Otsuka stopped Mike Bourke via submission.
