| # | Date | Promotion | Match |
| 1 | 21.07.1975 |  |
Tex McKenzie defeats Ivan Koloff by DQ IWA - Event @ Civic Center in Roanoke, Virginia, USA |
| 2 | 10.07.1975 | |
IWA World Heavyweight Title Best Two Out Of Three Falls: Mil Mascaras (c) vs. Ivan Koloff - Double Count Out [1:1] IWA - Event @ Roosevelt Stadium in Jersey City, New Jersey, USA |
| 3 | 07.07.1975 | |
Ivan Koloff defeats Argentina Apollo IWA - Event @ Civic Center in Roanoke, Virginia, USA |
| 4 | 15.06.1975 | |
Mil Mascaras & The Mighty Igor defeat Bulldog Brower & Ivan Koloff IWA - Event @ Coliseum in Charlotte, North Carolina, USA |
| 5 | 26.05.1975 | |
IWA World Heavyweight Title Lumberjack: Ivan Koloff defeats Mil Mascaras (c) by Count Out IWA - Event @ Memorial Coliseum in Winston-Salem, North Carolina, USA |
| 6 | 25.05.1975 | |
IWA World Heavyweight Title: Mil Mascaras (c) defeats Ivan Koloff by DQ IWA - Event @ Charlotte Coliseum in Charlotte, North Carolina, USA |
| 7 | 20.05.1975 | |
Ivan Koloff defeats Tex McKenzie IWA - Event @ Jai Alai Fronton in Miami, Florida, USA |
| 8 | 19.05.1975 | |
Ernie Ladd & Mighty Igor vs. Bulldog Brower & Ivan Koloff - Double DQ IWA - Event @ Civic Center in Roanoke, Virginia, USA |
| 9 | 09.05.1975 | |
Ivan Koloff defeats The Mighty Igor by DQ IWA - Event @ Richfield Coliseum in Elvira, Ohio, USA |
| 10 | 06.05.1975 | |
Dino Bravo, Ernie Ladd & Gino Brito defeat Ivan Koloff & The Mongols (Bolo & Geeto) IWA - Event @ Miami Marine Stadium in Miami, Florida, USA |
| 11 | 28.03.1975 | |
Ivan Koloff & Rip Hawk vs. Jim Wilson & Thunderbolt Patterson - Double DQ IWA - Event @ Reeves Community Center in Mount Airy, North Carolina, USA |
| 12 | 09.03.1975 | |
Winners Take All: Ernie Ladd & Thunderbolt Patterson defeat Bulldog Brower & Ivan Koloff IWA - Event @ Charlotte Coliseum in Charlotte, North Carolina, USA |
