Here is a list of Smirnovas's best fights. For a list of Smirnovas's losses, refer to "Kęstutis Smirnovas Losses".
On November 26, 2005 Kęstutis Smirnovas faced off against Hiromitsu Miura at age 29. He was coming in with a record of 17-5 (12), and Miura was 24 years old and with a record of 4-2 (2). Smirnovas stopped Hiromitsu Miura via TKO.
On November 11, 2006 Kęstutis Smirnovas faced off against Thomas Valentin in a light-heavyweight bout at age 30. He was coming in with a record of 19-7 (13). Smirnovas stopped Thomas Valentin via KO.
On October 20, 2002 Kęstutis Smirnovas faced off against Takahiro Oba at age 26. He was coming in with a record of 3-3 (1). Smirnovas stopped Takahiro Oba via submission.
On March 10, 2006 Kęstutis Smirnovas fought Tadeush Cholodinskij in a heavyweight title fight for Cholodinskij's K-1 East Europe Max title title. Smirnovas was 29 years old and with a record of 18-5 (12). Smirnovas won the fight via 3-round split decision and is crowned the new K-1 heavyweight champion.
On November 10, 2007 Kęstutis Smirnovas faced off against Damba Radnaev in a light-heavyweight bout at age 31. He was coming in with a record of 21-8-1 (15). Smirnovas stopped Damba Radnaev via submission.
On September 29, 2004 Kęstutis Smirnovas faced off against Romualds Garkulis at age 28. He was coming in with a record of 15-3 (10). Smirnovas stopped Romualds Garkulis via submission.
On December 14, 2002 Kęstutis Smirnovas faced off against Darius Jonyla at age 26. He was coming in with a record of 5-3 (3). Smirnovas stopped Darius Jonyla via submission.
On November 9, 2002 Kęstutis Smirnovas faced off against Vladimir Smantster at age 26. He was coming in with a record of 4-3 (2). Smirnovas stopped Vladimir Smantster via submission.
On April 6, 2001 Kęstutis Smirnovas faced off against Ruslan Mirzoev at age 24. He was coming in with a record of 1-1 (0). Smirnovas won the fight via 1-round unanimous decision.
On May 4, 2002 Kęstutis Smirnovas faced off against Pavel Dolgov at age 26. He was coming in with a record of 2-3 (0). Smirnovas won the fight via 2-round unanimous decision.
