Here is a list of Katsuta's best fights. For a list of Katsuta's losses, refer to "Tetsuo Katsuta Losses".
On July 22, 2000 Tetsuo Katsuta faced off against Kazuhiro Inoue at age 22. He was coming in with a record of 3-2 (2), and Inoue was 27 years old and with a record of 2-0 (0). Katsuta won the fight via 2-round unanimous decision.
On May 1, 2001 Tetsuo Katsuta faced off against Alexandre Franca Nogueira at age 23. He was coming in with a record of 6-2 (2), and Nogueira was 23 years old and with a record of 6-0-1 (3). Katsuta won the fight via 3-round majority decision.
On January 19, 2001 Tetsuo Katsuta faced off against Baret Yoshida at age 22. He was coming in with a record of 5-2 (2), and Yoshida was 25 years old and with a record of 3-1 (2). Katsuta won the fight via 3-round unanimous decision.
On March 18, 2003 Tetsuo Katsuta faced off against Hideki Kadowaki in a lightweight bout at age 24. He was coming in with a record of 7-4-1 (2), and Kadowaki was 26 years old and with a record of 5-2-1 (3). Katsuta won the fight via 3-round unanimous decision.
On September 15, 2000 Tetsuo Katsuta faced off against Hiroshi Umemura at age 22. He was coming in with a record of 4-2 (2), and Umemura was 28 years old and with a record of 2-0 (1). Katsuta won the fight via 2-round unanimous decision.