| Event Name | Date Played | Black Pieces | White Pieces | Result |
|---|---|---|---|---|
| US National 1972 | 1972-??-?? | Markusic, E. | Loew, M. | White Wins |
| US National 1972 | 1972-??-?? | Loew, M. | Markusic, E. | Draw |
| US National 1972 | 1972-??-?? | Taylor, L. | Markusic, E. | Draw |
| US National 1972 | 1972-??-?? | Markusic, E. | Taylor, L. | Draw |
| US National 1972 | 1972-??-?? | Bruch, E.A. | Markusic, E. | Draw |
| US National 1972 | 1972-??-?? | Markusic, E. | Bruch, E.A. | Draw |
| US National 1972 | 1972-??-?? | Markusic, E. | Taylor, L. | Draw |
| USA v UK match 1973 | 1973-??-?? | Davies, G. | Markusic, E.J. | White Wins |
| USA v UK match 1973 | 1973-??-?? | Markusic, E.J. | Davies, G. | Draw |
| USA v UK match 1973 | 1973-??-?? | Markusic, E.J. | Edwards, I. | Draw |
| USA v UK match 1973 | 1973-??-?? | Edwards, I. | Markusic, E.J. | White Wins |
| US National 1974 | 1974-??-?? | Burton, H. | Markusic, E. | Draw |
| US National 1974 | 1974-??-?? | Markusic, E. | Burton, H. | Draw |
| US National 1974 | 1974-??-?? | Markusic, E. | Burton, H. | Black Wins |
| US National 1974 | 1974-??-?? | Markusic, E. | Flood, B. | Black Wins |