Here is a list of Yamamiya's best fights. For a list of Yamamiya's losses, refer to "Keiichiro Yamamiya Losses".
On September 24, 2000 Keiichiro Yamamiya fought Ikuhisa Minowa in a light-heavyweight title fight for Minowa's Pancrase Light Heavyweight Championship title. Yamamiya was 28 years old and with a record of 22-13-5 (7), and Minowa was 24 years old and with a record of 16-11-6 (12). Yamamiya won the fight via 2-round unanimous decision and is crowned the new Pancrase light-heavyweight champion.
On January 17, 1997 Keiichiro Yamamiya faced off against Brian Gassaway at age 24. He was coming in with a record of 3-5 (0), and Gassaway was 24 years old and with a record of 3-3 (2). Yamamiya won the fight via 1-round unanimous decision.
On January 28, 2012 Keiichiro Yamamiya faced off against Yukinari Tamura in a welterweight bout at age 39. He was coming in with a record of 42-27-10 (13), and Tamura was 30 years old and with a record of 9-7-6 (4). Yamamiya won the fight via 2-round majority decision.
On January 23, 2000 Keiichiro Yamamiya faced off against Chris Lytle in a light-heavyweight bout at age 27. He was coming in with a record of 18-13-5 (6), and Lytle was 25 years old and with a record of 3-2-3 (3). Yamamiya won the fight via 1-round unanimous decision.
On September 6, 1997 Keiichiro Yamamiya faced off against Minoru Suzuki at age 25. He was coming in with a record of 10-7-1 (3), and Suzuki was 29 years old and with a record of 22-11 (20). Yamamiya won the fight via 1-round unanimous decision.
On March 1, 1998 Keiichiro Yamamiya faced off against Minoru Suzuki at age 25. He was coming in with a record of 12-9-3 (3), and Suzuki was 29 years old and with a record of 22-13 (20). Yamamiya won the fight via 1-round majority decision.
On July 28, 2002 Keiichiro Yamamiya faced off against Mitsuyoshi Sato in a light-heavyweight bout at age 30. He was coming in with a record of 28-16-5 (11). Yamamiya stopped Mitsuyoshi Sato via TKO.
On September 24, 2000 Keiichiro Yamamiya faced off against Omar Bouiche in a light-heavyweight bout at age 28. He was coming in with a record of 21-13-5 (7). Yamamiya stopped Omar Bouiche via submission.
On July 20, 1997 Keiichiro Yamamiya faced off against Les Johnston at age 25. He was coming in with a record of 6-7-1 (2). Yamamiya stopped Les Johnston via submission.
On July 22, 1996 Keiichiro Yamamiya faced off against Satoshi Hasegawa at age 24. He was coming in with a record of 1-0 (0). Yamamiya won the fight via 1-round split decision.