JUDO 1989 World Championships: Toshihiko Koga 古賀 稔彦 (JPN) Champion!
JUDO 1989 World Championships: Mike Swain (USA) - Toshihiko Koga 古賀 稔彦 (JPN)
JUDO 1989 World Championships: Toshihiko Koga 古賀 稔彦 (JPN) - Abdelhak Maach (MAR)
JUDO 1989 World Championships: Toshihiko Koga 古賀 稔彦 (JPN) - Chong Sio Chin (HKG)
JUDO 1989 World Championships [Open]
JUDO 1990 All Japan: Naoya Ogawa 小川 直也 (JPN) - Toshihiko Koga 古賀 稔彦 (JPN)
JUDO 1989 World Championships: Majemite Omagbaluwaje I (NIG) - Toshihiko Koga 古賀 稔彦 (JPN)
JUDO 1989 World Championships Mike Swain USA Toshihiko Koga JPN
古賀 稔彦 Toshihiko Koga JUDO LEGEND
JUDO 1986 Jigoro Kano Cup: Toshihiko Koga 古賀 稔彦 (JPN) - Nicolas Yonezuka (USA)
1999 JUDO DOCUMENTARY: Toshihiko Koga 古賀 稔彦 - Revenge of Sanshiro (ENGLISH SUBTITLES)
1989 World Judo Championships
古賀 稔彦 TOSHIHIKO KOGA - SODE TSURI KOMI GOSHI
JUDO 1990 All Japan: Hirotoshi Watanabe (JPN) - Toshihiko Koga 古賀 稔彦 (JPN )
JUDO 1989 World Championships [-78kg]
Toshihiko KOGA 古賀 稔彦 - Tribute Judo Highlights (1967 - 2021)
Toshihiko Koga Vs. Su Li Chang W.K. Judo 1989
古賀 稔彦 TOSHIHIKO KOGA - UCHI MATA
Koga - 1989 Belgrade World Championships
How Toshihiko Koga defeated giants (My tribute) 古賀 稔彦