| Result | Fighter | Event | Method/Referee | R | Time |
| loss | Seigo Mizuguchi | Deep - 56 Impact Dec / 16 / 2011 |
KO (Punch) Akira Shoji |
1 | 1:38 |
| loss | Ikuhisa Minowa | Deep - 50 Impact Oct / 24 / 2010 |
Submission (Scarf Hold Armlock) Samio Kimura |
1 | 2:07 |
| loss | Young Jun Jang | M-1 Selection 2010 - Asia Round 1 Mar / 5 / 2010 |
TKO (Punches) Woo Suk Choi |
1 | 1:31 |
At Deep “56 Impact” in Tokyo, Yuya Shirai retained his Deep welterweight title in a wild one with Taisuke Okuno, while rising Korean featherweight Doo Ho Choi knocked out Dream and Strikeforce veteran...
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By: Tony Loiseleur
TOKYO -- It took three grueling rounds, but Yuya Shirai
retained his Deep welterweight title in the main event of Deep “56
Impact” at Korakuen Hall on Friday evening with a unanimous
verdict over...