Kęstutis Smirnovas has eight losses against eight opponents on his MMA record. For a list of Smirnovas's best fights, refer to "Best fights of Kęstutis Smirnovas".
On June 10, 2007 Kęstutis Smirnovas faced off against Nobutatsu Suzuki in a light-heavyweight bout at age 31. He was coming in with a record of 19-8-1 (13), and Suzuki was 29 years old and with a record of 3-0-2 (3). Smirnovas lost the fight via 1st-round TKO.
On October 9, 2006 Kęstutis Smirnovas faced off against Yoshihiro Akiyama in a light-heavyweight bout at age 30. He was coming in with a record of 18-7 (12), and Akiyama was 31 years old and with a record of 7-1 (6). Smirnovas lost the fight via 1st-round TKO.
On August 5, 2006 Kęstutis Smirnovas faced off against Kazushi Sakuraba in a light-heavyweight bout at age 30. He was coming in with a record of 18-6 (12), and Sakuraba was 37 years old and with a record of 19-9-1 (13). Smirnovas lost the fight via 1st-round submission.
On November 20, 2004 Kęstutis Smirnovas faced off against Rodolfo Amaro da Silva at age 28. He was coming in with a record of 15-5 (10). Smirnovas lost the fight via 2nd-round TKO.
On November 3, 2004 Kęstutis Smirnovas faced off against Sam Nest at age 28. He was coming in with a record of 15-4 (10). Smirnovas lost the fight via 2nd-round submission.
On November 10, 2001 Kęstutis Smirnovas faced off against Hirotaka Yokoi at age 25. He was coming in with a record of 1-3 (0), and Yokoi was 23 years old and with a record of 4-0 (3). Smirnovas lost the fight via 2-round unanimous decision.
On May 8, 2001 Kęstutis Smirnovas faced off against Mikhail Ilyukhin at age 25. He was coming in with a record of 1-2 (0), and Ilyukhin was 34 years old and with a record of 25-10 (22). Smirnovas lost the fight via 1st-round submission.
On October 24, 2000 Kęstutis Smirnovas faced off against Victor Yerohin at age 24. He was coming in with a record of 0-1 (0). Smirnovas lost the fight via 1st-round submission.
