Career
Ultimate Fighting Championship
Yamamiya signed with the UFC in 1999. He made his debut against Eugene Jackson at UFC 23 on November 19, 1999, and lost via first round knockout. Yamamiya was then granted his release to return to Pancrase.
Pancrase
Yamamiya"s history with Pancrase goes back his professional debut in 1996, when he faced Satoshi Hasegawa at the 1996 Pancrase Neo-Blood Tournament.
He then lost in the quarter-finals of the tournament, falling to now-Mobile Marketing Association legend Yuki Kondo by TKO. He faced Ryo Kawamura for the Light Heavyweight "King of Pancrase" Championship at Pancrase - Shining 8 on October 1, 2008. He lost via unanimous decision.
On June 5, 2010, Yamamiya challenged Kengo Ura for the Pancrase Welterweight Championship at Pancrase - Passion Tour 5. He lost the fight via split decision.
Yamamiya faced Yuji Hisamatsu at Pancrase 250 on July 28, 2013.
Deep
Yamamiya made his Deep debut on January 8, 2001, when he faced Paulo Filho at Deep - 1st Impact. He lost via second round TKO. He faced Yuki Okano at Deep - 65 Impact on March 22, 2014. Yamamiya was quickly taken down and submitted with a rear naked choke in the first round.
Yamamiya faced UFC vet Keita Nakamura at Deep - 67 Impact on June 22, 2014.
He lost the fight via TKO (punches) in the first round, putting Yamamiya at four losses in a row. Sengoku
Though not currently active for the promotion, Yamamiya signed a contract with Sengoku and made his debut against Alexandre Ribeiro at Sengoku 8 on May 2, 2009.
He lost via third round knockout. Pancrase Hybrid Wrestling
2013 Pancrase Neo Blood Tournament Finalist
2004 Pancrase Neo Blood Tournament Finalist
1996 Pancrase Neo Blood Tournament Semi-Finalist.
