Yuya Shirai has 14 losses against 14 opponents on his MMA record. For a list of Shirai's best fights, refer to "Best fights of Yuya Shirai".
On December 21, 2014 Yuya Shirai fought Yuta Watanabe in a welterweight title fight for Watanabe's DEEP Championship title. Shirai was 34 years old and with a record of 24-14-2 (9). Shirai lost the fight via 1st-round TKO.
On April 26, 2013 Yuya Shirai met Dan Hornbuckle in a welterweight (DEEP Championship) title defense fight. Shirai was 33 years old and with a record of 23-13-1 (9), and Hornbuckle was 32 years old and with a record of 23-5 (20). Shirai lost the fight via 3-round unanimous decision and lost the title.
On October 6, 2012 Yuya Shirai faced off against Tommy Depret in a welterweight bout at age 32. He was coming in with a record of 22-12-1 (9). Shirai lost the fight via 3rd-round TKO.
On March 31, 2012 Yuya Shirai faced off against Fabricio Monteiro in a welterweight bout at age 31. He was coming in with a record of 22-11-1 (9). Shirai lost the fight via 3-round unanimous decision.
On July 20, 2011 Yuya Shirai faced off against Delson Heleno in a welterweight bout at age 31. He was coming in with a record of 20-10-1 (9). Shirai lost the fight via 3-round majority decision.
On February 26, 2011 Yuya Shirai faced off against Paul Daley in a welterweight bout at age 30. He was coming in with a record of 20-9-1 (9), and Daley was 28 years old and with a record of 25-9-2 (21). Shirai lost the fight via 1st-round KO.
On April 5, 2009 Yuya Shirai faced off against Jason High in a welterweight bout at age 29. He was coming in with a record of 15-8-1 (7), and High was 27 years old and with a record of 7-1 (6). Shirai lost the fight via 1st-round submission.
On August 29, 2008 Yuya Shirai faced off against Jordan Radev at age 28. He was coming in with a record of 12-7-1 (5), and Radev was 32 years old and with a record of 15-3 (9). Shirai lost the fight via 2-round majority decision.
On May 19, 2008 Yuya Shirai faced off against Riki Fukuda at age 28. He was coming in with a record of 12-6-1 (5), and Fukuda was 27 years old and with a record of 9-3 (6). Shirai lost the fight via 2-round split decision.
On December 20, 2006 Yuya Shirai faced off against Dae Won Kim at age 26. He was coming in with a record of 9-5-1 (4). Shirai lost the fight via 1st-round KO.
On April 11, 2006 Yuya Shirai faced off against Joey Villaseñor at age 26. He was coming in with a record of 7-4-1 (2), and Villaseñor was 30 years old and with a record of 20-3 (19). Shirai lost the fight via 2-round unanimous decision.
On October 28, 2005 Yuya Shirai faced off against Ryuji Ohori at age 25. He was coming in with a record of 6-3-1 (2). Shirai lost the fight via 1st-round TKO.
On May 1, 2005 Yuya Shirai faced off against Daisuke Watanabe at age 25. He was coming in with a record of 6-2-1 (2). Shirai lost the fight via 2-round majority decision.
On November 26, 2004 Yuya Shirai faced off against Yuki Sasaki at age 24. He was coming in with a record of 5-1-1 (2), and Sasaki was 28 years old and with a record of 16-10-1 (11). Shirai lost the fight via 3-round unanimous decision.