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 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 April 5, 2003 Kęstutis Smirnovas faced off against Mariusz Ligizynski at age 26. He was coming in with a record of 6-3 (4). Smirnovas stopped Mariusz Ligizynski 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 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 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 September 5, 2003 Kęstutis Smirnovas faced off against Masaya Inoue at age 27. He was coming in with a record of 8-3 (5). Smirnovas stopped Masaya Inoue via TKO.
On May 18, 2004 Kęstutis Smirnovas faced off against Petras Markevicius at age 28. He was coming in with a record of 14-3 (9). Smirnovas stopped Petras Markevicius via submission.
On May 10, 2003 Kęstutis Smirnovas faced off against Kestutis Stankevicius at age 27. He was coming in with a record of 7-3 (4). Smirnovas won the fight via 2-round unanimous decision.
