Here is a list of Yoshioka's best fights. For a list of Yoshioka's losses, refer to "Hiroaki Yoshioka Losses".
On September 15, 2000 Hiroaki Yoshioka faced off against Masaru Gokita at age 26. He was coming in with a record of 3-1-1 (2), and Gokita was 30 years old and with a record of 1-3-1 (0). Yoshioka stopped Masaru Gokita via KO.
On April 12, 2000 Hiroaki Yoshioka faced off against Daiji Takahashi at age 26. He was coming in with a record of 1-1-1 (0), and Takahashi was 23 years old and with a record of 0-0-1 (0). Yoshioka won the fight via 2-round split decision.
On July 22, 2000 Hiroaki Yoshioka faced off against Shuichiro Katsumura at age 26. He was coming in with a record of 2-1-1 (1), and Katsumura was 24 years old and with a record of 2-1 (1). Yoshioka stopped Shuichiro Katsumura via submission.
On July 27, 2002 Hiroaki Yoshioka faced off against Ichaku Murata at age 28. He was coming in with a record of 5-4-2 (2). Yoshioka won the fight via 3-round unanimous decision.
On September 4, 2009 Hiroaki Yoshioka faced off against Hiroyuki Abe at age 35. He was coming in with a record of 6-9-2 (3). Yoshioka stopped Hiroyuki Abe via submission.
On August 15, 2001 Hiroaki Yoshioka faced off against Kentaro Imaizumi at age 27. He was coming in with a record of 4-2-2 (2). Yoshioka won the fight via 3-round unanimous decision.