| # | Date | Promotion | Match |
| 1 | 04.03.1971 |  |
IWA World Heavyweight Title Best Two Out Of Three Falls: Bill Miller defeats Thunder Sugiyama (c) [2:1] (25:25) - TITLE CHANGE !!! IWE AWA Big Fight Series - Tag 5 - Event @ Kitakyushu, Fukuoka, Japan |
| 2 | 27.02.1971 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Mad Dog Vachon [2:1] (18:26) IWE AWA Big Fight Series - Tag 1 - Event @ Civic Hall in Kawasaki, Kanagawa, Japan |
| 3 | 24.01.1971 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Ivan Breston [2:1] (10:51) IWE New Year Pioneer Series - Tag 12 - Event @ Ichihara, Chiba, Japan |
| 4 | 10.01.1971 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) vs. Ivan Breston - Double Count Out [1:1] (48:06) IWE New Year Pioneer Series - Tag 4 - Event @ Kanoya, Kagoshima, Japan |
| 5 | 10.12.1970 | |
IWA World Heavyweight Title: Thunder Sugiyama (c) defeats Larry Hennig [2:1] (5:29) IWE Big Winter Series 1970 - Tag 12 - Event @ Town Gymnasium in Yoshii, Gunma, Japan |
| 6 | 12.10.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Messerschmitt [2:0] (12:38) IWE Dynamite Series - Tag 18 - Event @ Taitoh Ward Gym in Tokyo, Japan |
| 7 | 15.09.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Blue Demon [2:1] (23:34) IWE Dynamite Series - Tag 5 - Event @ Fukuoka, Japan |
| 8 | 25.08.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Jack de Lasartesse [2:1] (11:12) IWE Big Summer Series 1970 - Tag 35 - Event @ Nakajima Sports Center in Sapporo, Hokkaido, Japan |
| 9 | 03.08.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Edouard Carpentier [2:1] (10:23) IWE Big Summer Series 1970 - Tag 18 - Event @ City Gymnasium in Morioka, Iwate, Japan |
| 10 | 18.07.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama (c) defeats Dr. Death [2:1] (10:32) IWE Big Summer Series 1970 - Tag 7 - Event @ City Gymnasium in Fukaya, Saitama, Japan |
| 11 | 19.05.1970 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Thunder Sugiyama defeats Billy Robinson (c) by Count Out [2:1] (22:17) - TITLE CHANGE !!! IWE Second IWA World Series - Tag 39 - Event @ Leisure Center in Sendai, Miyagi, Japan |
