Here is a list of Kawajiri's best fights. For a list of Kawajiri's losses, refer to "Tatsuya Kawajiri Losses".
On December 14, 2004 Tatsuya Kawajiri fought Vítor Ribeiro in a welterweight title fight for Ribeiro's Shooto World Championship title. Kawajiri was 26 years old and with a record of 12-2-2 (9), and Ribeiro was 25 years old and with a record of 10-0 (5). Kawajiri stopped Vítor Ribeiro via 2nd-round TKO and is crowned the new welterweight world champion.
On July 16, 2011 Tatsuya Kawajiri faced off against Drew Fickett in a lightweight bout at age 33. He was coming in with a record of 28-7-2 (17), and Fickett was 31 years old and with a record of 41-14 (33). Kawajiri stopped Drew Fickett via TKO.
On January 4, 2014 Tatsuya Kawajiri faced off against Sean Soriano in a featherweight bout at age 35. He was coming in with a record of 33-7-2 (20), and Soriano was 24 years old and with a record of 8-0 (5). Kawajiri stopped Sean Soriano via choke-out.
On August 26, 2006 Tatsuya Kawajiri faced off against Chris Brennan in a welterweight bout at age 28. He was coming in with a record of 18-3-2 (13), and Brennan was 34 years old and with a record of 18-11-1 (17). Kawajiri stopped Chris Brennan via TKO.
On May 30, 2003 Tatsuya Kawajiri faced off against Takumi Nakayama in a featherweight bout at age 25. He was coming in with a record of 8-2-1 (6), and Nakayama was 29 years old and with a record of 9-3-3 (2). Kawajiri stopped Takumi Nakayama via TKO.
On October 14, 2006 Tatsuya Kawajiri faced off against Per Eklund in a welterweight bout at age 28. He was coming in with a record of 19-3-2 (14), and Eklund was 25 years old and with a record of 9-1-1 (7). Kawajiri stopped Per Eklund via TKO.
On May 22, 2001 Tatsuya Kawajiri faced off against Yohei Suzuki in a featherweight bout at age 23. He was coming in with a record of 1-1-1 (1), and Suzuki was 28 years old and with a record of 3-2-1 (0). Kawajiri stopped Yohei Suzuki via submission.
On May 26, 2009 Tatsuya Kawajiri faced off against Gesias Cavalcante in a lightweight bout at age 31. He was coming in with a record of 24-5-2 (15), and Cavalcante was 25 years old and with a record of 14-2-1 (12). Kawajiri won the fight via 2-round unanimous decision.
On February 17, 2006 Tatsuya Kawajiri met Joachim Hansen in a welterweight (Shooto World Championship) title defense fight. Kawajiri was 27 years old and with a record of 16-3-2 (11), and Hansen was 26 years old and with a record of 13-3-1 (7). Kawajiri won the fight via 1-round disqualification and successfully defended his title.
On June 20, 2015 Tatsuya Kawajiri faced off against Dennis Siver in a featherweight bout at age 37. He was coming in with a record of 34-8-2 (20), and Siver was 36 years old and with a record of 22-10 (14). Kawajiri won the fight via 3-round unanimous decision.